#!/usr/bin/env python
# -*- coding: utf-8 -*-

import re
import unittest
import jsbeautifier
import six

class TestJSBeautifier(unittest.TestCase):
    def test_unescape(self):
        # Test cases contributed by <chrisjshull on GitHub.com>
        test_fragment = self.decodesto
        bt = self.bt

        bt('"\\\\s"') # == "\\s" in the js source
        bt("'\\\\s'") # == '\\s' in the js source
        bt("'\\\\\\s'") # == '\\\s' in the js source
        bt("'\\s'") # == '\s' in the js source
        bt('"•"')
        bt('"—"')
        bt('"\\x41\\x42\\x43\\x01"', '"\\x41\\x42\\x43\\x01"')
        bt('"\\u2022"', '"\\u2022"')
        bt('a = /\s+/')
        #bt('a = /\\x41/','a = /A/')
        bt('"\\u2022";a = /\s+/;"\\x41\\x42\\x43\\x01".match(/\\x41/);','"\\u2022";\na = /\s+/;\n"\\x41\\x42\\x43\\x01".match(/\\x41/);')
        bt('"\\x22\\x27",\'\\x22\\x27\',"\\x5c",\'\\x5c\',"\\xff and \\xzz","unicode \\u0000 \\u0022 \\u0027 \\u005c \\uffff \\uzzzz"', '"\\x22\\x27", \'\\x22\\x27\', "\\x5c", \'\\x5c\', "\\xff and \\xzz", "unicode \\u0000 \\u0022 \\u0027 \\u005c \\uffff \\uzzzz"')

        self.options.unescape_strings = True

        bt('"\\x41\\x42\\x43\\x01"', '"ABC\\x01"')
        bt('"\\u2022"', '"\\u2022"')
        bt('a = /\s+/')
        bt('"\\u2022";a = /\s+/;"\\x41\\x42\\x43\\x01".match(/\\x41/);','"\\u2022";\na = /\s+/;\n"ABC\\x01".match(/\\x41/);')
        bt('"\\x22\\x27",\'\\x22\\x27\',"\\x5c",\'\\x5c\',"\\xff and \\xzz","unicode \\u0000 \\u0022 \\u0027 \\u005c \\uffff \\uzzzz"', '"\\"\'", \'"\\\'\', "\\\\", \'\\\\\', "\\xff and \\xzz", "unicode \\u0000 \\" \' \\\\ \\uffff \\uzzzz"')

        self.options.unescape_strings = False


    def test_beautifier(self):
        test_fragment = self.decodesto
        bt = self.bt

        true = True
        false = False

        def unicode_char(value):
            return six.unichr(value)

        self.options.indent_size = 4
        self.options.indent_char = ' '
        self.options.preserve_newlines = true
        self.options.jslint_happy = false
        self.options.keep_array_indentation = false
        self.options.brace_style = 'collapse'

        # Unicode Support
        bt('var ' + unicode_char(3232) + '_' + unicode_char(3232) + ' = "hi";')
        bt(
            'var ' + unicode_char(228) + 'x = {\n' +
            '    ' + unicode_char(228) + 'rgerlich: true\n' +
            '};')

        # End With Newline - (eof = "\n")
        self.options.end_with_newline = true
        test_fragment('', '\n')
        test_fragment('   return .5', '   return .5\n')
        test_fragment('   \n\nreturn .5\n\n\n\n', '   return .5\n')
        test_fragment('\n')

        # End With Newline - (eof = "")
        self.options.end_with_newline = false
        test_fragment('')
        test_fragment('   return .5')
        test_fragment('   \n\nreturn .5\n\n\n\n', '   return .5')
        test_fragment('\n', '')

        # Comma-first option - (c0 = "\n, ", c1 = "\n    , ", c2 = "\n        , ", c3 = "\n            , ")
        self.options.comma_first = true
        bt('{a:1, b:2}', '{\n    a: 1\n    , b: 2\n}')
        bt('var a=1, b=c[d], e=6;', 'var a = 1\n    , b = c[d]\n    , e = 6;')
        bt('for(var a=1,b=2,c=3;d<3;d++)\ne', 'for (var a = 1, b = 2, c = 3; d < 3; d++)\n    e')
        bt('for(var a=1,b=2,\nc=3;d<3;d++)\ne', 'for (var a = 1, b = 2\n        , c = 3; d < 3; d++)\n    e')
        bt('function foo() {\n    return [\n        "one"\n        , "two"\n    ];\n}')
        bt('a=[[1,2],[4,5],[7,8]]', 'a = [\n    [1, 2]\n    , [4, 5]\n    , [7, 8]\n]')
        bt('a=[[1,2],[4,5],[7,8],]', 'a = [\n    [1, 2]\n    , [4, 5]\n    , [7, 8]\n, ]')
        bt('a=[[1,2],[4,5],function(){},[7,8]]', 'a = [\n    [1, 2]\n    , [4, 5]\n    , function() {}\n    , [7, 8]\n]')
        bt('a=[[1,2],[4,5],function(){},function(){},[7,8]]', 'a = [\n    [1, 2]\n    , [4, 5]\n    , function() {}\n    , function() {}\n    , [7, 8]\n]')
        bt('a=[[1,2],[4,5],function(){},[7,8]]', 'a = [\n    [1, 2]\n    , [4, 5]\n    , function() {}\n    , [7, 8]\n]')
        bt('a=[b,c,function(){},function(){},d]', 'a = [b, c, function() {}, function() {}, d]')
        bt('a=[b,c,\nfunction(){},function(){},d]', 'a = [b, c\n    , function() {}\n    , function() {}\n    , d\n]')
        bt('a=[a[1],b[4],c[d[7]]]', 'a = [a[1], b[4], c[d[7]]]')
        bt('[1,2,[3,4,[5,6],7],8]', '[1, 2, [3, 4, [5, 6], 7], 8]')
        bt('[[["1","2"],["3","4"]],[["5","6","7"],["8","9","0"]],[["1","2","3"],["4","5","6","7"],["8","9","0"]]]', '[\n    [\n        ["1", "2"]\n        , ["3", "4"]\n    ]\n    , [\n        ["5", "6", "7"]\n        , ["8", "9", "0"]\n    ]\n    , [\n        ["1", "2", "3"]\n        , ["4", "5", "6", "7"]\n        , ["8", "9", "0"]\n    ]\n]')

        # Comma-first option - (c0 = ",\n", c1 = ",\n    ", c2 = ",\n        ", c3 = ",\n            ")
        self.options.comma_first = false
        bt('{a:1, b:2}', '{\n    a: 1,\n    b: 2\n}')
        bt('var a=1, b=c[d], e=6;', 'var a = 1,\n    b = c[d],\n    e = 6;')
        bt('for(var a=1,b=2,c=3;d<3;d++)\ne', 'for (var a = 1, b = 2, c = 3; d < 3; d++)\n    e')
        bt('for(var a=1,b=2,\nc=3;d<3;d++)\ne', 'for (var a = 1, b = 2,\n        c = 3; d < 3; d++)\n    e')
        bt('function foo() {\n    return [\n        "one",\n        "two"\n    ];\n}')
        bt('a=[[1,2],[4,5],[7,8]]', 'a = [\n    [1, 2],\n    [4, 5],\n    [7, 8]\n]')
        bt('a=[[1,2],[4,5],[7,8],]', 'a = [\n    [1, 2],\n    [4, 5],\n    [7, 8],\n]')
        bt('a=[[1,2],[4,5],function(){},[7,8]]', 'a = [\n    [1, 2],\n    [4, 5],\n    function() {},\n    [7, 8]\n]')
        bt('a=[[1,2],[4,5],function(){},function(){},[7,8]]', 'a = [\n    [1, 2],\n    [4, 5],\n    function() {},\n    function() {},\n    [7, 8]\n]')
        bt('a=[[1,2],[4,5],function(){},[7,8]]', 'a = [\n    [1, 2],\n    [4, 5],\n    function() {},\n    [7, 8]\n]')
        bt('a=[b,c,function(){},function(){},d]', 'a = [b, c, function() {}, function() {}, d]')
        bt('a=[b,c,\nfunction(){},function(){},d]', 'a = [b, c,\n    function() {},\n    function() {},\n    d\n]')
        bt('a=[a[1],b[4],c[d[7]]]', 'a = [a[1], b[4], c[d[7]]]')
        bt('[1,2,[3,4,[5,6],7],8]', '[1, 2, [3, 4, [5, 6], 7], 8]')
        bt('[[["1","2"],["3","4"]],[["5","6","7"],["8","9","0"]],[["1","2","3"],["4","5","6","7"],["8","9","0"]]]', '[\n    [\n        ["1", "2"],\n        ["3", "4"]\n    ],\n    [\n        ["5", "6", "7"],\n        ["8", "9", "0"]\n    ],\n    [\n        ["1", "2", "3"],\n        ["4", "5", "6", "7"],\n        ["8", "9", "0"]\n    ]\n]')

        # New Test Suite

        # Async / await tests
        bt('async function foo() {}')
        bt('let w = async function foo() {}')
        bt('async function foo() {}\nvar x = await foo();')
        
        # async function as an input to another function
        bt('wrapper(async function foo() {})')
        
        # await on inline anonymous function. should have a space after await
        bt(
            'async function() {\n    var w = await(async function() {\n        return await foo();\n    })();\n}',
            'async function() {\n    var w = await (async function() {\n        return await foo();\n    })();\n}')
        
        # ensure that this doesn't break anyone with the async library
        bt('async.map(function(t) {})')

        # e4x - Test that e4x literals passed through when e4x-option is enabled
        self.options.e4x = true
        bt('xml=<a b="c"><d/><e>\n foo</e>x</a>;', 'xml = <a b="c"><d/><e>\n foo</e>x</a>;')
        bt('<a b=\'This is a quoted "c".\'/>')
        bt('<a b="This is a quoted \'c\'."/>')
        bt('<a b="A quote \' inside string."/>')
        bt('<a b=\'A quote " inside string.\'/>')
        bt('<a b=\'Some """ quotes ""  inside string.\'/>')
        
        # Handles inline expressions
        bt('xml=<{a} b="c"><d/><e v={z}>\n foo</e>x</{a}>;', 'xml = <{a} b="c"><d/><e v={z}>\n foo</e>x</{a}>;')
        bt('xml=<{a} b="c">\n    <e v={z}>\n foo</e>x</{a}>;', 'xml = <{a} b="c">\n    <e v={z}>\n foo</e>x</{a}>;')
        
        # xml literals with special characters in elem names - see http://www.w3.org/TR/REC-xml/#NT-NameChar
        bt('xml = <_:.valid.xml- _:.valid.xml-="123"/>;')
        
        # Handles CDATA
        bt('xml=<![CDATA[ b="c"><d/><e v={z}>\n foo</e>x/]]>;', 'xml = <![CDATA[ b="c"><d/><e v={z}>\n foo</e>x/]]>;')
        bt('xml=<![CDATA[]]>;', 'xml = <![CDATA[]]>;')
        bt('xml=<a b="c"><![CDATA[d/></a></{}]]></a>;', 'xml = <a b="c"><![CDATA[d/></a></{}]]></a>;')
        
        # JSX - working jsx from http://prettydiff.com/unit_tests/beautification_javascript_jsx.txt
        bt(
            'var ListItem = React.createClass({\n' +
            '    render: function() {\n' +
            '        return (\n' +
            '            <li className="ListItem">\n' +
            '                <a href={ "/items/" + this.props.item.id }>\n' +
            '                    this.props.item.name\n' +
            '                </a>\n' +
            '            </li>\n' +
            '        );\n' +
            '    }\n' +
            '});')
        bt(
            'var List = React.createClass({\n' +
            '    renderList: function() {\n' +
            '        return this.props.items.map(function(item) {\n' +
            '            return <ListItem item={item} key={item.id} />;\n' +
            '        });\n' +
            '    },\n' +
            '\n' +
            '    render: function() {\n' +
            '        return <ul className="List">\n' +
            '                this.renderList()\n' +
            '            </ul>\n' +
            '    }\n' +
            '});')
        bt(
            'var Mist = React.createClass({\n' +
            '    renderList: function() {\n' +
            '        return this.props.items.map(function(item) {\n' +
            '            return <ListItem item={return <tag>{item}</tag>} key={item.id} />;\n' +
            '        });\n' +
            '    }\n' +
            '});')
        bt(
            '// JSX\n' +
            'var box = <Box>\n' +
            '    {shouldShowAnswer(user) ?\n' +
            '        <Answer value={false}>no</Answer> : <Box.Comment>\n' +
            '        Text Content\n' +
            '        </Box.Comment>}\n' +
            '    </Box>;\n' +
            'var a = function() {\n' +
            '    return <tsdf>asdf</tsdf>;\n' +
            '};\n' +
            '\n' +
            'var HelloMessage = React.createClass({\n' +
            '    render: function() {\n' +
            '        return <div>Hello {this.props.name}</div>;\n' +
            '    }\n' +
            '});\n' +
            'React.render(<HelloMessage name="John" />, mountNode);')
        bt(
            'var Timer = React.createClass({\n' +
            '    getInitialState: function() {\n' +
            '        return {\n' +
            '            secondsElapsed: 0\n' +
            '        };\n' +
            '    },\n' +
            '    tick: function() {\n' +
            '        this.setState({\n' +
            '            secondsElapsed: this.state.secondsElapsed + 1\n' +
            '        });\n' +
            '    },\n' +
            '    componentDidMount: function() {\n' +
            '        this.interval = setInterval(this.tick, 1000);\n' +
            '    },\n' +
            '    componentWillUnmount: function() {\n' +
            '        clearInterval(this.interval);\n' +
            '    },\n' +
            '    render: function() {\n' +
            '        return (\n' +
            '            <div>Seconds Elapsed: {this.state.secondsElapsed}</div>\n' +
            '        );\n' +
            '    }\n' +
            '});\n' +
            'React.render(<Timer />, mountNode);')
        bt(
            'var TodoList = React.createClass({\n' +
            '    render: function() {\n' +
            '        var createItem = function(itemText) {\n' +
            '            return <li>{itemText}</li>;\n' +
            '        };\n' +
            '        return <ul>{this.props.items.map(createItem)}</ul>;\n' +
            '    }\n' +
            '});')
        bt(
            'var TodoApp = React.createClass({\n' +
            '    getInitialState: function() {\n' +
            '        return {\n' +
            '            items: [],\n' +
            '            text: \'\'\n' +
            '        };\n' +
            '    },\n' +
            '    onChange: function(e) {\n' +
            '        this.setState({\n' +
            '            text: e.target.value\n' +
            '        });\n' +
            '    },\n' +
            '    handleSubmit: function(e) {\n' +
            '        e.preventDefault();\n' +
            '        var nextItems = this.state.items.concat([this.state.text]);\n' +
            '        var nextText = \'\';\n' +
            '        this.setState({\n' +
            '            items: nextItems,\n' +
            '            text: nextText\n' +
            '        });\n' +
            '    },\n' +
            '    render: function() {\n' +
            '        return (\n' +
            '            <div>\n' +
            '                <h3>TODO</h3>\n' +
            '                <TodoList items={this.state.items} />\n' +
            '                <form onSubmit={this.handleSubmit}>\n' +
            '                    <input onChange={this.onChange} value={this.state.text} />\n' +
            '                    <button>{\'Add #\' + (this.state.items.length + 1)}</button>\n' +
            '                </form>\n' +
            '            </div>\n' +
            '        );\n' +
            '    }\n' +
            '});\n' +
            'React.render(<TodoApp />, mountNode);')
        bt(
            'var converter = new Showdown.converter();\n' +
            'var MarkdownEditor = React.createClass({\n' +
            '    getInitialState: function() {\n' +
            '        return {value: \'Type some *markdown* here!\'};\n' +
            '    },\n' +
            '    handleChange: function() {\n' +
            '        this.setState({value: this.refs.textarea.getDOMNode().value});\n' +
            '    },\n' +
            '    render: function() {\n' +
            '        return (\n' +
            '            <div className="MarkdownEditor">\n' +
            '                <h3>Input</h3>\n' +
            '                <textarea\n' +
            '                    onChange={this.handleChange}\n' +
            '                    ref="textarea"\n' +
            '                    defaultValue={this.state.value} />\n' +
            '                <h3>Output</h3>\n' +
            '            <div\n' +
            '                className="content"\n' +
            '                dangerouslySetInnerHTML=\n' +
            '                />\n' +
            '            </div>\n' +
            '        );\n' +
            '    }\n' +
            '});\n' +
            'React.render(<MarkdownEditor />, mountNode);',
            'var converter = new Showdown.converter();\n' +
            'var MarkdownEditor = React.createClass({\n' +
            '    getInitialState: function() {\n' +
            '        return {\n' +
            '            value: \'Type some *markdown* here!\'\n' +
            '        };\n' +
            '    },\n' +
            '    handleChange: function() {\n' +
            '        this.setState({\n' +
            '            value: this.refs.textarea.getDOMNode().value\n' +
            '        });\n' +
            '    },\n' +
            '    render: function() {\n' +
            '        return (\n' +
            '            <div className="MarkdownEditor">\n' +
            '                <h3>Input</h3>\n' +
            '                <textarea\n' +
            '                    onChange={this.handleChange}\n' +
            '                    ref="textarea"\n' +
            '                    defaultValue={this.state.value} />\n' +
            '                <h3>Output</h3>\n' +
            '            <div\n' +
            '                className="content"\n' +
            '                dangerouslySetInnerHTML=\n' +
            '                />\n' +
            '            </div>\n' +
            '        );\n' +
            '    }\n' +
            '});\n' +
            'React.render(<MarkdownEditor />, mountNode);')
        
        # JSX - Not quite correct jsx formatting that still works
        bt(
            'var content = (\n' +
            '        <Nav>\n' +
            '            {/* child comment, put {} around */}\n' +
            '            <Person\n' +
            '                /* multi\n' +
            '         line\n' +
            '         comment */\n' +
            '         //attr="test"\n' +
            '                name={window.isLoggedIn ? window.name : \'\'} // end of line comment\n' +
            '            />\n' +
            '        </Nav>\n' +
            '    );\n' +
            'var qwer = <DropDown> A dropdown list <Menu> <MenuItem>Do Something</MenuItem> <MenuItem>Do Something Fun!</MenuItem> <MenuItem>Do Something Else</MenuItem> </Menu> </DropDown>;\n' +
            'render(dropdown);',
            'var content = (\n' +
            '    <Nav>\n' +
            '            {/* child comment, put {} around */}\n' +
            '            <Person\n' +
            '                /* multi\n' +
            '         line\n' +
            '         comment */\n' +
            '         //attr="test"\n' +
            '                name={window.isLoggedIn ? window.name : \'\'} // end of line comment\n' +
            '            />\n' +
            '        </Nav>\n' +
            ');\n' +
            'var qwer = <DropDown> A dropdown list <Menu> <MenuItem>Do Something</MenuItem> <MenuItem>Do Something Fun!</MenuItem> <MenuItem>Do Something Else</MenuItem> </Menu> </DropDown>;\n' +
            'render(dropdown);')
        
        # Handles messed up tags, as long as it isn't the same name
        # as the root tag. Also handles tags of same name as root tag
        # as long as nesting matches.
        bt(
            'xml=<a x="jn"><c></b></f><a><d jnj="jnn"><f></a ></nj></a>;',
            'xml = <a x="jn"><c></b></f><a><d jnj="jnn"><f></a ></nj></a>;')
        
        # If xml is not terminated, the remainder of the file is treated
        # as part of the xml-literal (passed through unaltered)
        test_fragment(
            'xml=<a></b>\nc<b;',
            'xml = <a></b>\nc<b;')
        
        # Issue #646 = whitespace is allowed in attribute declarations
        bt(
            'let a = React.createClass({\n' +
            '    render() {\n' +
            '        return (\n' +
            '            <p className=\'a\'>\n' +
            '                <span>c</span>\n' +
            '            </p>\n' +
            '        );\n' +
            '    }\n' +
            '});')
        bt(
            'let a = React.createClass({\n' +
            '    render() {\n' +
            '        return (\n' +
            '            <p className = \'b\'>\n' +
            '                <span>c</span>\n' +
            '            </p>\n' +
            '        );\n' +
            '    }\n' +
            '});')
        bt(
            'let a = React.createClass({\n' +
            '    render() {\n' +
            '        return (\n' +
            '            <p className = "c">\n' +
            '                <span>c</span>\n' +
            '            </p>\n' +
            '        );\n' +
            '    }\n' +
            '});')
        bt(
            'let a = React.createClass({\n' +
            '    render() {\n' +
            '        return (\n' +
            '            <{e}  className = {d}>\n' +
            '                <span>c</span>\n' +
            '            </{e}>\n' +
            '        );\n' +
            '    }\n' +
            '});')

        # e4x disabled
        self.options.e4x = false
        bt(
            'xml=<a b="c"><d/><e>\n foo</e>x</a>;',
            'xml = < a b = "c" > < d / > < e >\n    foo < /e>x</a > ;')

        # Multiple braces
        bt('{{}/z/}', '{\n    {}\n    /z/\n}')

        # jslint and space after anon function - (f = " ", c = "")
        self.options.jslint_happy = true
        self.options.space_after_anon_function = true
        bt(
            'a=typeof(x)',
            'a = typeof (x)')
        bt(
            'x();\n\nfunction(){}',
            'x();\n\nfunction () {}')
        bt(
            'function () {\n    var a, b, c, d, e = [],\n        f;\n}')
        bt(
            'switch(x) {case 0: case 1: a(); break; default: break}',
            'switch (x) {\ncase 0:\ncase 1:\n    a();\n    break;\ndefault:\n    break\n}')
        bt('switch(x){case -1:break;case !y:break;}', 'switch (x) {\ncase -1:\n    break;\ncase !y:\n    break;\n}')
        
        # typical greasemonkey start
        test_fragment('// comment 2\n(function ()')
        bt(
            'var a2, b2, c2, d2 = 0, c = function() {}, d = \'\';',
            'var a2, b2, c2, d2 = 0,\n    c = function () {},\n    d = \'\';')
        bt(
            'var a2, b2, c2, d2 = 0, c = function() {},\nd = \'\';',
            'var a2, b2, c2, d2 = 0,\n    c = function () {},\n    d = \'\';')
        bt(
            'var o2=$.extend(a);function(){alert(x);}',
            'var o2 = $.extend(a);\n\nfunction () {\n    alert(x);\n}')
        bt('function*() {\n    yield 1;\n}', 'function* () {\n    yield 1;\n}')
        bt('function* x() {\n    yield 1;\n}')

        # jslint and space after anon function - (f = " ", c = "")
        self.options.jslint_happy = true
        self.options.space_after_anon_function = false
        bt(
            'a=typeof(x)',
            'a = typeof (x)')
        bt(
            'x();\n\nfunction(){}',
            'x();\n\nfunction () {}')
        bt(
            'function () {\n    var a, b, c, d, e = [],\n        f;\n}')
        bt(
            'switch(x) {case 0: case 1: a(); break; default: break}',
            'switch (x) {\ncase 0:\ncase 1:\n    a();\n    break;\ndefault:\n    break\n}')
        bt('switch(x){case -1:break;case !y:break;}', 'switch (x) {\ncase -1:\n    break;\ncase !y:\n    break;\n}')
        
        # typical greasemonkey start
        test_fragment('// comment 2\n(function ()')
        bt(
            'var a2, b2, c2, d2 = 0, c = function() {}, d = \'\';',
            'var a2, b2, c2, d2 = 0,\n    c = function () {},\n    d = \'\';')
        bt(
            'var a2, b2, c2, d2 = 0, c = function() {},\nd = \'\';',
            'var a2, b2, c2, d2 = 0,\n    c = function () {},\n    d = \'\';')
        bt(
            'var o2=$.extend(a);function(){alert(x);}',
            'var o2 = $.extend(a);\n\nfunction () {\n    alert(x);\n}')
        bt('function*() {\n    yield 1;\n}', 'function* () {\n    yield 1;\n}')
        bt('function* x() {\n    yield 1;\n}')

        # jslint and space after anon function - (f = " ", c = "    ")
        self.options.jslint_happy = false
        self.options.space_after_anon_function = true
        bt(
            'a=typeof(x)',
            'a = typeof (x)')
        bt(
            'x();\n\nfunction(){}',
            'x();\n\nfunction () {}')
        bt(
            'function () {\n    var a, b, c, d, e = [],\n        f;\n}')
        bt(
            'switch(x) {case 0: case 1: a(); break; default: break}',
            'switch (x) {\n    case 0:\n    case 1:\n        a();\n        break;\n    default:\n        break\n}')
        bt('switch(x){case -1:break;case !y:break;}', 'switch (x) {\n    case -1:\n        break;\n    case !y:\n        break;\n}')
        
        # typical greasemonkey start
        test_fragment('// comment 2\n(function ()')
        bt(
            'var a2, b2, c2, d2 = 0, c = function() {}, d = \'\';',
            'var a2, b2, c2, d2 = 0,\n    c = function () {},\n    d = \'\';')
        bt(
            'var a2, b2, c2, d2 = 0, c = function() {},\nd = \'\';',
            'var a2, b2, c2, d2 = 0,\n    c = function () {},\n    d = \'\';')
        bt(
            'var o2=$.extend(a);function(){alert(x);}',
            'var o2 = $.extend(a);\n\nfunction () {\n    alert(x);\n}')
        bt('function*() {\n    yield 1;\n}', 'function* () {\n    yield 1;\n}')
        bt('function* x() {\n    yield 1;\n}')

        # jslint and space after anon function - (f = "", c = "    ")
        self.options.jslint_happy = false
        self.options.space_after_anon_function = false
        bt(
            'a=typeof(x)',
            'a = typeof(x)')
        bt(
            'x();\n\nfunction(){}',
            'x();\n\nfunction() {}')
        bt(
            'function () {\n    var a, b, c, d, e = [],\n        f;\n}',
            'function() {\n    var a, b, c, d, e = [],\n        f;\n}')
        bt(
            'switch(x) {case 0: case 1: a(); break; default: break}',
            'switch (x) {\n    case 0:\n    case 1:\n        a();\n        break;\n    default:\n        break\n}')
        bt('switch(x){case -1:break;case !y:break;}', 'switch (x) {\n    case -1:\n        break;\n    case !y:\n        break;\n}')
        
        # typical greasemonkey start
        test_fragment('// comment 2\n(function()')
        bt(
            'var a2, b2, c2, d2 = 0, c = function() {}, d = \'\';',
            'var a2, b2, c2, d2 = 0,\n    c = function() {},\n    d = \'\';')
        bt(
            'var a2, b2, c2, d2 = 0, c = function() {},\nd = \'\';',
            'var a2, b2, c2, d2 = 0,\n    c = function() {},\n    d = \'\';')
        bt(
            'var o2=$.extend(a);function(){alert(x);}',
            'var o2 = $.extend(a);\n\nfunction() {\n    alert(x);\n}')
        bt('function*() {\n    yield 1;\n}')
        bt('function* x() {\n    yield 1;\n}')

        # Regression tests
        
        # Issue 241
        bt(
            'obj\n' +
            '    .last({\n' +
            '        foo: 1,\n' +
            '        bar: 2\n' +
            '    });\n' +
            'var test = 1;')
        bt(
            'obj\n' +
            '    .last(a, function() {\n' +
            '        var test;\n' +
            '    });\n' +
            'var test = 1;')
        bt(
            'obj.first()\n' +
            '    .second()\n' +
            '    .last(function(err, response) {\n' +
            '        console.log(err);\n' +
            '    });')
        
        # Issue 268 and 275
        bt(
            'obj.last(a, function() {\n' +
            '    var test;\n' +
            '});\n' +
            'var test = 1;')
        bt(
            'obj.last(a,\n' +
            '    function() {\n' +
            '        var test;\n' +
            '    });\n' +
            'var test = 1;')
        bt(
            '(function() {if (!window.FOO) window.FOO || (window.FOO = function() {var b = {bar: "zort"};});})();',
            '(function() {\n' +
            '    if (!window.FOO) window.FOO || (window.FOO = function() {\n' +
            '        var b = {\n' +
            '            bar: "zort"\n' +
            '        };\n' +
            '    });\n' +
            '})();')
        
        # Issue 281
        bt(
            'define(["dojo/_base/declare", "my/Employee", "dijit/form/Button",\n' +
            '    "dojo/_base/lang", "dojo/Deferred"\n' +
            '], function(declare, Employee, Button, lang, Deferred) {\n' +
            '    return declare(Employee, {\n' +
            '        constructor: function() {\n' +
            '            new Button({\n' +
            '                onClick: lang.hitch(this, function() {\n' +
            '                    new Deferred().then(lang.hitch(this, function() {\n' +
            '                        this.salary * 0.25;\n' +
            '                    }));\n' +
            '                })\n' +
            '            });\n' +
            '        }\n' +
            '    });\n' +
            '});')
        bt(
            'define(["dojo/_base/declare", "my/Employee", "dijit/form/Button",\n' +
            '        "dojo/_base/lang", "dojo/Deferred"\n' +
            '    ],\n' +
            '    function(declare, Employee, Button, lang, Deferred) {\n' +
            '        return declare(Employee, {\n' +
            '            constructor: function() {\n' +
            '                new Button({\n' +
            '                    onClick: lang.hitch(this, function() {\n' +
            '                        new Deferred().then(lang.hitch(this, function() {\n' +
            '                            this.salary * 0.25;\n' +
            '                        }));\n' +
            '                    })\n' +
            '                });\n' +
            '            }\n' +
            '        });\n' +
            '    });')
        
        # Issue 459
        bt(
            '(function() {\n' +
            '    return {\n' +
            '        foo: function() {\n' +
            '            return "bar";\n' +
            '        },\n' +
            '        bar: ["bar"]\n' +
            '    };\n' +
            '}());')
        
        # Issue 505 - strings should end at newline unless continued by backslash
        bt(
            'var name = "a;\n' +
            'name = "b";')
        bt(
            'var name = "a;\\\n' +
            '    name = b";')
        
        # Issue 514 - some operators require spaces to distinguish them
        bt('var c = "_ACTION_TO_NATIVEAPI_" + ++g++ + +new Date;')
        bt('var c = "_ACTION_TO_NATIVEAPI_" - --g-- - -new Date;')
        
        # Issue 440 - reserved words can be used as object property names
        bt(
            'a = {\n' +
            '    function: {},\n' +
            '    "function": {},\n' +
            '    throw: {},\n' +
            '    "throw": {},\n' +
            '    var: {},\n' +
            '    "var": {},\n' +
            '    set: {},\n' +
            '    "set": {},\n' +
            '    get: {},\n' +
            '    "get": {},\n' +
            '    if: {},\n' +
            '    "if": {},\n' +
            '    then: {},\n' +
            '    "then": {},\n' +
            '    else: {},\n' +
            '    "else": {},\n' +
            '    yay: {}\n' +
            '};')
        
        # Issue 331 - if-else with braces edge case
        bt(
            'if(x){a();}else{b();}if(y){c();}',
            'if (x) {\n' +
            '    a();\n' +
            '} else {\n' +
            '    b();\n' +
            '}\n' +
            'if (y) {\n' +
            '    c();\n' +
            '}')
        
        # Issue 485 - ensure function declarations behave the same in arrays as elsewhere
        bt(
            'var v = ["a",\n' +
            '    function() {\n' +
            '        return;\n' +
            '    }, {\n' +
            '        id: 1\n' +
            '    }\n' +
            '];')
        bt(
            'var v = ["a", function() {\n' +
            '    return;\n' +
            '}, {\n' +
            '    id: 1\n' +
            '}];')
        
        # Issue 382 - initial totally cursory support for es6 module export
        bt(
            'module "Even" {\n' +
            '    import odd from "Odd";\n' +
            '    export function sum(x, y) {\n' +
            '        return x + y;\n' +
            '    }\n' +
            '    export var pi = 3.141593;\n' +
            '    export default moduleName;\n' +
            '}')
        bt(
            'module "Even" {\n' +
            '    export default function div(x, y) {}\n' +
            '}')
        
        # Issue 508
        bt('set["name"]')
        bt('get["name"]')
        bt(
            'a = {\n' +
            '    set b(x) {},\n' +
            '    c: 1,\n' +
            '    d: function() {}\n' +
            '};')
        bt(
            'a = {\n' +
            '    get b() {\n' +
            '        retun 0;\n' +
            '    },\n' +
            '    c: 1,\n' +
            '    d: function() {}\n' +
            '};')
        
        # Issue 298 - do not under indent if/while/for condtionals experesions
        bt(
            '\'use strict\';\n' +
            'if ([].some(function() {\n' +
            '        return false;\n' +
            '    })) {\n' +
            '    console.log("hello");\n' +
            '}')
        
        # Issue 298 - do not under indent if/while/for condtionals experesions
        bt(
            '\'use strict\';\n' +
            'if ([].some(function() {\n' +
            '        return false;\n' +
            '    })) {\n' +
            '    console.log("hello");\n' +
            '}')
        
        # Issue 552 - Typescript?  Okay... we didn't break it before, so try not to break it now.
        bt(
            'class Test {\n' +
            '    blah: string[];\n' +
            '    foo(): number {\n' +
            '        return 0;\n' +
            '    }\n' +
            '    bar(): number {\n' +
            '        return 0;\n' +
            '    }\n' +
            '}')
        bt(
            'interface Test {\n' +
            '    blah: string[];\n' +
            '    foo(): number {\n' +
            '        return 0;\n' +
            '    }\n' +
            '    bar(): number {\n' +
            '        return 0;\n' +
            '    }\n' +
            '}')

        # Old tests
        bt('')
        test_fragment('   return .5')
        test_fragment('   return .5;\n   a();')
        test_fragment('    return .5;\n    a();')
        test_fragment('     return .5;\n     a();')
        test_fragment('   < div')
        bt('a        =          1', 'a = 1')
        bt('a=1', 'a = 1')
        bt('(3) / 2')
        bt('["a", "b"].join("")')
        bt('a();\n\nb();')
        bt('var a = 1 var b = 2', 'var a = 1\nvar b = 2')
        bt('var a=1, b=c[d], e=6;', 'var a = 1,\n    b = c[d],\n    e = 6;')
        bt('var a,\n    b,\n    c;')
        bt('let a = 1 let b = 2', 'let a = 1\nlet b = 2')
        bt('let a=1, b=c[d], e=6;', 'let a = 1,\n    b = c[d],\n    e = 6;')
        bt('let a,\n    b,\n    c;')
        bt('const a = 1 const b = 2', 'const a = 1\nconst b = 2')
        bt('const a=1, b=c[d], e=6;', 'const a = 1,\n    b = c[d],\n    e = 6;')
        bt('const a,\n    b,\n    c;')
        bt('a = " 12345 "')
        bt('a = \' 12345 \'')
        bt('if (a == 1) b = 2;')
        bt('if(1){2}else{3}', 'if (1) {\n    2\n} else {\n    3\n}')
        bt('if(1||2);', 'if (1 || 2);')
        bt('(a==1)||(b==2)', '(a == 1) || (b == 2)')
        bt('var a = 1 if (2) 3;', 'var a = 1\nif (2) 3;')
        bt('a = a + 1')
        bt('a = a == 1')
        bt('/12345[^678]*9+/.match(a)')
        bt('a /= 5')
        bt('a = 0.5 * 3')
        bt('a *= 10.55')
        bt('a < .5')
        bt('a <= .5')
        bt('a<.5', 'a < .5')
        bt('a<=.5', 'a <= .5')
        bt('a = 0xff;')
        bt('a=0xff+4', 'a = 0xff + 4')
        bt('a = [1, 2, 3, 4]')
        bt('F*(g/=f)*g+b', 'F * (g /= f) * g + b')
        bt('a.b({c:d})', 'a.b({\n    c: d\n})')
        bt('a.b\n(\n{\nc:\nd\n}\n)', 'a.b({\n    c: d\n})')
        bt('a.b({c:"d"})', 'a.b({\n    c: "d"\n})')
        bt('a.b\n(\n{\nc:\n"d"\n}\n)', 'a.b({\n    c: "d"\n})')
        bt('a=!b', 'a = !b')
        bt('a=!!b', 'a = !!b')
        bt('a?b:c', 'a ? b : c')
        bt('a?1:2', 'a ? 1 : 2')
        bt('a?(b):c', 'a ? (b) : c')
        bt('x={a:1,b:w=="foo"?x:y,c:z}', 'x = {\n    a: 1,\n    b: w == "foo" ? x : y,\n    c: z\n}')
        bt('x=a?b?c?d:e:f:g;', 'x = a ? b ? c ? d : e : f : g;')
        bt('x=a?b?c?d:{e1:1,e2:2}:f:g;', 'x = a ? b ? c ? d : {\n    e1: 1,\n    e2: 2\n} : f : g;')
        bt('function void(void) {}')
        bt('if(!a)foo();', 'if (!a) foo();')
        bt('a=~a', 'a = ~a')
        bt('a;/*comment*/b;', 'a; /*comment*/\nb;')
        bt('a;/* comment */b;', 'a; /* comment */\nb;')
        
        # simple comments don't get touched at all
        test_fragment('a;/*\ncomment\n*/b;', 'a;\n/*\ncomment\n*/\nb;')
        bt('a;/**\n* javadoc\n*/b;', 'a;\n/**\n * javadoc\n */\nb;')
        test_fragment('a;/**\n\nno javadoc\n*/b;', 'a;\n/**\n\nno javadoc\n*/\nb;')
        
        # comment blocks detected and reindented even w/o javadoc starter
        bt('a;/*\n* javadoc\n*/b;', 'a;\n/*\n * javadoc\n */\nb;')
        bt('if(a)break;', 'if (a) break;')
        bt('if(a){break}', 'if (a) {\n    break\n}')
        bt('if((a))foo();', 'if ((a)) foo();')
        bt('for(var i=0;;) a', 'for (var i = 0;;) a')
        bt('for(var i=0;;)\na', 'for (var i = 0;;)\n    a')
        bt('a++;')
        bt('for(;;i++)a()', 'for (;; i++) a()')
        bt('for(;;i++)\na()', 'for (;; i++)\n    a()')
        bt('for(;;++i)a', 'for (;; ++i) a')
        bt('return(1)', 'return (1)')
        bt('try{a();}catch(b){c();}finally{d();}', 'try {\n    a();\n} catch (b) {\n    c();\n} finally {\n    d();\n}')
        
        #  magic function call
        bt('(xx)()')
        
        # another magic function call
        bt('a[1]()')
        bt('if(a){b();}else if(c) foo();', 'if (a) {\n    b();\n} else if (c) foo();')
        bt('switch(x) {case 0: case 1: a(); break; default: break}', 'switch (x) {\n    case 0:\n    case 1:\n        a();\n        break;\n    default:\n        break\n}')
        bt('switch(x){case -1:break;case !y:break;}', 'switch (x) {\n    case -1:\n        break;\n    case !y:\n        break;\n}')
        bt('a !== b')
        bt('if (a) b(); else c();', 'if (a) b();\nelse c();')
        
        # typical greasemonkey start
        bt('// comment\n(function something() {})')
        
        # duplicating newlines
        bt('{\n\n    x();\n\n}')
        bt('if (a in b) foo();')
        bt('if(X)if(Y)a();else b();else c();', 'if (X)\n    if (Y) a();\n    else b();\nelse c();')
        bt('if (foo) bar();\nelse break')
        bt('var a, b;')
        bt('var a = new function();')
        test_fragment('new function')
        bt('var a, b')
        bt('{a:1, b:2}', '{\n    a: 1,\n    b: 2\n}')
        bt('a={1:[-1],2:[+1]}', 'a = {\n    1: [-1],\n    2: [+1]\n}')
        bt('var l = {\'a\':\'1\', \'b\':\'2\'}', 'var l = {\n    \'a\': \'1\',\n    \'b\': \'2\'\n}')
        bt('if (template.user[n] in bk) foo();')
        bt('return 45')
        bt('return this.prevObject ||\n\n    this.constructor(null);')
        bt('If[1]')
        bt('Then[1]')
        bt('a = 1e10')
        bt('a = 1.3e10')
        bt('a = 1.3e-10')
        bt('a = -1.3e-10')
        bt('a = 1e-10')
        bt('a = e - 10')
        bt('a = 11-10', 'a = 11 - 10')
        bt('a = 1;// comment', 'a = 1; // comment')
        bt('a = 1; // comment')
        bt('a = 1;\n // comment', 'a = 1;\n// comment')
        bt('a = [-1, -1, -1]')
        
        # The exact formatting these should have is open for discussion, but they are at least reasonable
        bt('a = [ // comment\n    -1, -1, -1\n]')
        bt('var a = [ // comment\n    -1, -1, -1\n]')
        bt('a = [ // comment\n    -1, // comment\n    -1, -1\n]')
        bt('var a = [ // comment\n    -1, // comment\n    -1, -1\n]')
        bt('o = [{a:b},{c:d}]', 'o = [{\n    a: b\n}, {\n    c: d\n}]')
        
        # was: extra space appended
        bt('if (a) {\n    do();\n}')
        
        # if/else statement with empty body
        bt('if (a) {\n// comment\n}else{\n// comment\n}', 'if (a) {\n    // comment\n} else {\n    // comment\n}')
        
        # multiple comments indentation
        bt('if (a) {\n// comment\n// comment\n}', 'if (a) {\n    // comment\n    // comment\n}')
        bt('if (a) b() else c();', 'if (a) b()\nelse c();')
        bt('if (a) b() else if c() d();', 'if (a) b()\nelse if c() d();')
        bt('{}')
        bt('{\n\n}')
        bt('do { a(); } while ( 1 );', 'do {\n    a();\n} while (1);')
        bt('do {} while (1);')
        bt('do {\n} while (1);', 'do {} while (1);')
        bt('do {\n\n} while (1);')
        bt('var a = x(a, b, c)')
        bt('delete x if (a) b();', 'delete x\nif (a) b();')
        bt('delete x[x] if (a) b();', 'delete x[x]\nif (a) b();')
        bt('for(var a=1,b=2)d', 'for (var a = 1, b = 2) d')
        bt('for(var a=1,b=2,c=3) d', 'for (var a = 1, b = 2, c = 3) d')
        bt('for(var a=1,b=2,c=3;d<3;d++)\ne', 'for (var a = 1, b = 2, c = 3; d < 3; d++)\n    e')
        bt('function x(){(a||b).c()}', 'function x() {\n    (a || b).c()\n}')
        bt('function x(){return - 1}', 'function x() {\n    return -1\n}')
        bt('function x(){return ! a}', 'function x() {\n    return !a\n}')
        bt('x => x')
        bt('(x) => x')
        bt('x => { x }', 'x => {\n    x\n}')
        bt('(x) => { x }', '(x) => {\n    x\n}')
        
        # a common snippet in jQuery plugins
        bt(
            'settings = $.extend({},defaults,settings);',
            'settings = $.extend({}, defaults, settings);')
        bt('$http().then().finally().default()')
        bt('$http()\n.then()\n.finally()\n.default()', '$http()\n    .then()\n    .finally()\n    .default()')
        bt('$http().when.in.new.catch().throw()')
        bt('$http()\n.when\n.in\n.new\n.catch()\n.throw()', '$http()\n    .when\n    .in\n    .new\n    .catch()\n    .throw()')
        bt('{xxx;}()', '{\n    xxx;\n}()')
        bt('a = \'a\'\nb = \'b\'')
        bt('a = /reg/exp')
        bt('a = /reg/')
        bt('/abc/.test()')
        bt('/abc/i.test()')
        bt('{/abc/i.test()}', '{\n    /abc/i.test()\n}')
        bt('var x=(a)/a;', 'var x = (a) / a;')
        bt('x != -1')
        bt('for (; s-->0;)t', 'for (; s-- > 0;) t')
        bt('for (; s++>0;)u', 'for (; s++ > 0;) u')
        bt('a = s++>s--;', 'a = s++ > s--;')
        bt('a = s++>--s;', 'a = s++ > --s;')
        bt('{x=#1=[]}', '{\n    x = #1=[]\n}')
        bt('{a:#1={}}', '{\n    a: #1={}\n}')
        bt('{a:#1#}', '{\n    a: #1#\n}')
        test_fragment('"incomplete-string')
        test_fragment('\'incomplete-string')
        test_fragment('/incomplete-regex')
        test_fragment('`incomplete-template-string')
        test_fragment('{a:1},{a:2}', '{\n    a: 1\n}, {\n    a: 2\n}')
        test_fragment('var ary=[{a:1}, {a:2}];', 'var ary = [{\n    a: 1\n}, {\n    a: 2\n}];')
        
        # incomplete
        test_fragment('{a:#1', '{\n    a: #1')
        
        # incomplete
        test_fragment('{a:#', '{\n    a: #')
        
        # incomplete
        test_fragment('}}}', '}\n}\n}')
        test_fragment('<!--\nvoid();\n// -->')
        
        # incomplete regexp
        test_fragment('a=/regexp', 'a = /regexp')
        bt('{a:#1=[],b:#1#,c:#999999#}', '{\n    a: #1=[],\n    b: #1#,\n    c: #999999#\n}')
        bt('a = 1e+2')
        bt('a = 1e-2')
        bt('do{x()}while(a>1)', 'do {\n    x()\n} while (a > 1)')
        bt('x(); /reg/exp.match(something)', 'x();\n/reg/exp.match(something)')
        test_fragment('something();(', 'something();\n(')
        test_fragment('#!she/bangs, she bangs\nf=1', '#!she/bangs, she bangs\n\nf = 1')
        test_fragment('#!she/bangs, she bangs\n\nf=1', '#!she/bangs, she bangs\n\nf = 1')
        test_fragment('#!she/bangs, she bangs\n\n/* comment */')
        test_fragment('#!she/bangs, she bangs\n\n\n/* comment */')
        test_fragment('#')
        test_fragment('#!')
        bt('function namespace::something()')
        test_fragment('<!--\nsomething();\n-->')
        test_fragment('<!--\nif(i<0){bla();}\n-->', '<!--\nif (i < 0) {\n    bla();\n}\n-->')
        bt('{foo();--bar;}', '{\n    foo();\n    --bar;\n}')
        bt('{foo();++bar;}', '{\n    foo();\n    ++bar;\n}')
        bt('{--bar;}', '{\n    --bar;\n}')
        bt('{++bar;}', '{\n    ++bar;\n}')
        bt('if(true)++a;', 'if (true) ++a;')
        bt('if(true)\n++a;', 'if (true)\n    ++a;')
        bt('if(true)--a;', 'if (true) --a;')
        bt('if(true)\n--a;', 'if (true)\n    --a;')
        bt('elem[array]++;')
        bt('elem++ * elem[array]++;')
        bt('elem-- * -elem[array]++;')
        bt('elem-- + elem[array]++;')
        bt('elem-- - elem[array]++;')
        bt('elem-- - -elem[array]++;')
        bt('elem-- - +elem[array]++;')
        
        # Handling of newlines around unary ++ and -- operators
        bt('{foo\n++bar;}', '{\n    foo\n    ++bar;\n}')
        bt('{foo++\nbar;}', '{\n    foo++\n    bar;\n}')
        
        # This is invalid, but harder to guard against. Issue #203.
        bt('{foo\n++\nbar;}', '{\n    foo\n    ++\n    bar;\n}')
        
        # regexps
        bt('a(/abc\\/\\/def/);b()', 'a(/abc\\/\\/def/);\nb()')
        bt('a(/a[b\\[\\]c]d/);b()', 'a(/a[b\\[\\]c]d/);\nb()')
        
        # incomplete char class
        test_fragment('a(/a[b\\[')
        
        # allow unescaped / in char classes
        bt('a(/[a/b]/);b()', 'a(/[a/b]/);\nb()')
        bt('typeof /foo\\//;')
        bt('yield /foo\\//;')
        bt('throw /foo\\//;')
        bt('do /foo\\//;')
        bt('return /foo\\//;')
        bt('switch (a) {\n    case /foo\\//:\n        b\n}')
        bt('if (a) /foo\\//\nelse /foo\\//;')
        bt('if (foo) /regex/.test();')
        bt('result = yield pgClient.query_(queryString);')
        bt('function foo() {\n    return [\n        "one",\n        "two"\n    ];\n}')
        bt('a=[[1,2],[4,5],[7,8]]', 'a = [\n    [1, 2],\n    [4, 5],\n    [7, 8]\n]')
        bt('a=[[1,2],[4,5],function(){},[7,8]]', 'a = [\n    [1, 2],\n    [4, 5],\n    function() {},\n    [7, 8]\n]')
        bt('a=[[1,2],[4,5],function(){},function(){},[7,8]]', 'a = [\n    [1, 2],\n    [4, 5],\n    function() {},\n    function() {},\n    [7, 8]\n]')
        bt('a=[[1,2],[4,5],function(){},[7,8]]', 'a = [\n    [1, 2],\n    [4, 5],\n    function() {},\n    [7, 8]\n]')
        bt('a=[b,c,function(){},function(){},d]', 'a = [b, c, function() {}, function() {}, d]')
        bt('a=[b,c,\nfunction(){},function(){},d]', 'a = [b, c,\n    function() {},\n    function() {},\n    d\n]')
        bt('a=[a[1],b[4],c[d[7]]]', 'a = [a[1], b[4], c[d[7]]]')
        bt('[1,2,[3,4,[5,6],7],8]', '[1, 2, [3, 4, [5, 6], 7], 8]')
        bt('[[["1","2"],["3","4"]],[["5","6","7"],["8","9","0"]],[["1","2","3"],["4","5","6","7"],["8","9","0"]]]', '[\n    [\n        ["1", "2"],\n        ["3", "4"]\n    ],\n    [\n        ["5", "6", "7"],\n        ["8", "9", "0"]\n    ],\n    [\n        ["1", "2", "3"],\n        ["4", "5", "6", "7"],\n        ["8", "9", "0"]\n    ]\n]')
        bt('{[x()[0]];indent;}', '{\n    [x()[0]];\n    indent;\n}')
        bt('/*\n foo trailing space    \n * bar trailing space   \n**/')
        bt('{\n    /*\n    foo    \n    * bar    \n    */\n}')
        bt('return ++i')
        bt('return !!x')
        bt('return !x')
        bt('return [1,2]', 'return [1, 2]')
        bt('return;')
        bt('return\nfunc')
        bt('catch(e)', 'catch (e)')
        bt('yield [1, 2]')
        bt('var a=1,b={foo:2,bar:3},{baz:4,wham:5},c=4;', 'var a = 1,\n    b = {\n        foo: 2,\n        bar: 3\n    },\n    {\n        baz: 4,\n        wham: 5\n    }, c = 4;')
        bt('var a=1,b={foo:2,bar:3},{baz:4,wham:5},\nc=4;', 'var a = 1,\n    b = {\n        foo: 2,\n        bar: 3\n    },\n    {\n        baz: 4,\n        wham: 5\n    },\n    c = 4;')
        
        # inline comment
        bt(
            'function x(/*int*/ start, /*string*/ foo)',
            'function x( /*int*/ start, /*string*/ foo)')
        
        # javadoc comment
        bt('/**\n* foo\n*/', '/**\n * foo\n */')
        bt('{\n/**\n* foo\n*/\n}', '{\n    /**\n     * foo\n     */\n}')
        
        # starless block comment
        bt('/**\nfoo\n*/')
        bt('/**\nfoo\n**/')
        bt('/**\nfoo\nbar\n**/')
        bt('/**\nfoo\n\nbar\n**/')
        bt('/**\nfoo\n    bar\n**/')
        bt('{\n/**\nfoo\n*/\n}', '{\n    /**\n    foo\n    */\n}')
        bt('{\n/**\nfoo\n**/\n}', '{\n    /**\n    foo\n    **/\n}')
        bt('{\n/**\nfoo\nbar\n**/\n}', '{\n    /**\n    foo\n    bar\n    **/\n}')
        bt('{\n/**\nfoo\n\nbar\n**/\n}', '{\n    /**\n    foo\n\n    bar\n    **/\n}')
        bt('{\n/**\nfoo\n    bar\n**/\n}', '{\n    /**\n    foo\n        bar\n    **/\n}')
        bt('{\n    /**\n    foo\nbar\n    **/\n}')
        bt('var a,b,c=1,d,e,f=2;', 'var a, b, c = 1,\n    d, e, f = 2;')
        bt('var a,b,c=[],d,e,f=2;', 'var a, b, c = [],\n    d, e, f = 2;')
        bt('function() {\n    var a, b, c, d, e = [],\n        f;\n}')
        bt('do/regexp/;\nwhile(1);', 'do /regexp/;\nwhile (1);')
        bt('var a = a,\na;\nb = {\nb\n}', 'var a = a,\n    a;\nb = {\n    b\n}')
        bt('var a = a,\n    /* c */\n    b;')
        bt('var a = a,\n    // c\n    b;')
        
        # weird element referencing
        bt('foo.("bar");')
        bt('if (a) a()\nelse b()\nnewline()')
        bt('if (a) a()\nnewline()')
        bt('a=typeof(x)', 'a = typeof(x)')
        bt('var a = function() {\n        return null;\n    },\n    b = false;')
        bt('var a = function() {\n    func1()\n}')
        bt('var a = function() {\n    func1()\n}\nvar b = function() {\n    func2()\n}')
        
        # code with and without semicolons
        bt(
            'var whatever = require("whatever");\nfunction() {\n    a = 6;\n}',
            'var whatever = require("whatever");\n\nfunction() {\n    a = 6;\n}')
        bt('var whatever = require("whatever")\nfunction() {\n    a = 6\n}', 'var whatever = require("whatever")\n\nfunction() {\n    a = 6\n}')
        bt('{"x":[{"a":1,"b":3},\n7,8,8,8,8,{"b":99},{"a":11}]}', '{\n    "x": [{\n            "a": 1,\n            "b": 3\n        },\n        7, 8, 8, 8, 8, {\n            "b": 99\n        }, {\n            "a": 11\n        }\n    ]\n}')
        bt('{"x":[{"a":1,"b":3},7,8,8,8,8,{"b":99},{"a":11}]}', '{\n    "x": [{\n        "a": 1,\n        "b": 3\n    }, 7, 8, 8, 8, 8, {\n        "b": 99\n    }, {\n        "a": 11\n    }]\n}')
        bt('{"1":{"1a":"1b"},"2"}', '{\n    "1": {\n        "1a": "1b"\n    },\n    "2"\n}')
        bt('{a:{a:b},c}', '{\n    a: {\n        a: b\n    },\n    c\n}')
        bt('{[y[a]];keep_indent;}', '{\n    [y[a]];\n    keep_indent;\n}')
        bt('if (x) {y} else { if (x) {y}}', 'if (x) {\n    y\n} else {\n    if (x) {\n        y\n    }\n}')
        bt('if (foo) one()\ntwo()\nthree()')
        bt('if (1 + foo() && bar(baz()) / 2) one()\ntwo()\nthree()')
        bt('if (1 + foo() && bar(baz()) / 2) one();\ntwo();\nthree();')
        bt('var a=1,b={bang:2},c=3;', 'var a = 1,\n    b = {\n        bang: 2\n    },\n    c = 3;')
        bt('var a={bing:1},b=2,c=3;', 'var a = {\n        bing: 1\n    },\n    b = 2,\n    c = 3;')

        bt('{{}/z/}', "{\n    {}\n    /z/\n}")

        self.options.indent_size = 1;
        self.options.indent_char = ' ';
        bt('{ one_char() }', "{\n one_char()\n}")

        bt('var a,b=1,c=2', 'var a, b = 1,\n c = 2')

        self.options.indent_size = 4;
        self.options.indent_char = ' ';
        bt('{ one_char() }', "{\n    one_char()\n}")

        self.options.indent_size = 1;
        self.options.indent_char = "\t";
        bt('{ one_char() }', "{\n\tone_char()\n}")
        bt('x = a ? b : c; x;', 'x = a ? b : c;\nx;')

        #set to something else than it should change to, but with tabs on, should override
        self.options.indent_size = 5;
        self.options.indent_char = ' ';
        self.options.indent_with_tabs = True;

        bt('{ one_char() }', "{\n\tone_char()\n}")
        bt('x = a ? b : c; x;', 'x = a ? b : c;\nx;')

        self.options.indent_size = 4;
        self.options.indent_char = ' ';
        self.options.indent_with_tabs = False;

        self.options.preserve_newlines = False;
        bt('var\na=dont_preserve_newlines;', 'var a = dont_preserve_newlines;')

        # make sure the blank line between function definitions stays
        # even when preserve_newlines = False
        bt('function foo() {\n    return 1;\n}\n\nfunction foo() {\n    return 1;\n}')
        bt('function foo() {\n    return 1;\n}\nfunction foo() {\n    return 1;\n}',
        'function foo() {\n    return 1;\n}\n\nfunction foo() {\n    return 1;\n}'
        )
        bt('function foo() {\n    return 1;\n}\n\n\nfunction foo() {\n    return 1;\n}',
        'function foo() {\n    return 1;\n}\n\nfunction foo() {\n    return 1;\n}'
        )


        self.options.preserve_newlines = True;
        bt('var\na=do_preserve_newlines;', 'var\n    a = do_preserve_newlines;')
        bt('// a\n// b\n\n// c\n// d')
        bt('if (foo) //  comment\n{\n    bar();\n}')


        self.options.keep_array_indentation = False;
        bt("a = ['a', 'b', 'c',\n    'd', 'e', 'f']",
            "a = ['a', 'b', 'c',\n    'd', 'e', 'f'\n]")
        bt("a = ['a', 'b', 'c',\n    'd', 'e', 'f',\n        'g', 'h', 'i']",
            "a = ['a', 'b', 'c',\n    'd', 'e', 'f',\n    'g', 'h', 'i'\n]")
        bt("a = ['a', 'b', 'c',\n        'd', 'e', 'f',\n            'g', 'h', 'i']",
            "a = ['a', 'b', 'c',\n    'd', 'e', 'f',\n    'g', 'h', 'i'\n]")
        bt('var x = [{}\n]', 'var x = [{}]')
        bt('var x = [{foo:bar}\n]', 'var x = [{\n    foo: bar\n}]')
        bt("a = ['something',\n    'completely',\n    'different'];\nif (x);",
            "a = ['something',\n    'completely',\n    'different'\n];\nif (x);")
        bt("a = ['a','b','c']", "a = ['a', 'b', 'c']")
        bt("a = ['a',   'b','c']", "a = ['a', 'b', 'c']")
        bt("x = [{'a':0}]",
            "x = [{\n    'a': 0\n}]")
        bt('{a([[a1]], {b;});}',
            '{\n    a([\n        [a1]\n    ], {\n        b;\n    });\n}')
        bt("a();\n   [\n   ['sdfsdfsd'],\n        ['sdfsdfsdf']\n   ].toString();",
            "a();\n[\n    ['sdfsdfsd'],\n    ['sdfsdfsdf']\n].toString();")
        bt("a();\na = [\n   ['sdfsdfsd'],\n        ['sdfsdfsdf']\n   ].toString();",
            "a();\na = [\n    ['sdfsdfsd'],\n    ['sdfsdfsdf']\n].toString();")
        bt("function() {\n    Foo([\n        ['sdfsdfsd'],\n        ['sdfsdfsdf']\n    ]);\n}",
            "function() {\n    Foo([\n        ['sdfsdfsd'],\n        ['sdfsdfsdf']\n    ]);\n}")
        bt('function foo() {\n    return [\n        "one",\n        "two"\n    ];\n}')
        # 4 spaces per indent input, processed with 4-spaces per indent
        bt( "function foo() {\n" +
            "    return [\n" +
            "        {\n" +
            "            one: 'x',\n" +
            "            two: [\n" +
            "                {\n" +
            "                    id: 'a',\n" +
            "                    name: 'apple'\n" +
            "                }, {\n" +
            "                    id: 'b',\n" +
            "                    name: 'banana'\n" +
            "                }\n" +
            "            ]\n" +
            "        }\n" +
            "    ];\n" +
            "}",
            "function foo() {\n" +
            "    return [{\n" +
            "        one: 'x',\n" +
            "        two: [{\n" +
            "            id: 'a',\n" +
            "            name: 'apple'\n" +
            "        }, {\n" +
            "            id: 'b',\n" +
            "            name: 'banana'\n" +
            "        }]\n" +
            "    }];\n" +
            "}")
        # 3 spaces per indent input, processed with 4-spaces per indent
        bt( "function foo() {\n" +
            "   return [\n" +
            "      {\n" +
            "         one: 'x',\n" +
            "         two: [\n" +
            "            {\n" +
            "               id: 'a',\n" +
            "               name: 'apple'\n" +
            "            }, {\n" +
            "               id: 'b',\n" +
            "               name: 'banana'\n" +
            "            }\n" +
            "         ]\n" +
            "      }\n" +
            "   ];\n" +
            "}",
            "function foo() {\n" +
            "    return [{\n" +
            "        one: 'x',\n" +
            "        two: [{\n" +
            "            id: 'a',\n" +
            "            name: 'apple'\n" +
            "        }, {\n" +
            "            id: 'b',\n" +
            "            name: 'banana'\n" +
            "        }]\n" +
            "    }];\n" +
            "}")

        self.options.keep_array_indentation = True;
        bt("a = ['a', 'b', 'c',\n    'd', 'e', 'f']")
        bt("a = ['a', 'b', 'c',\n    'd', 'e', 'f',\n        'g', 'h', 'i']")
        bt("a = ['a', 'b', 'c',\n        'd', 'e', 'f',\n            'g', 'h', 'i']")
        bt('var x = [{}\n]', 'var x = [{}\n]')
        bt('var x = [{foo:bar}\n]', 'var x = [{\n        foo: bar\n    }\n]')
        bt("a = ['something',\n    'completely',\n    'different'];\nif (x);")
        bt("a = ['a','b','c']", "a = ['a', 'b', 'c']")
        bt("a = ['a',   'b','c']", "a = ['a', 'b', 'c']")
        bt("x = [{'a':0}]",
            "x = [{\n    'a': 0\n}]")
        bt('{a([[a1]], {b;});}',
            '{\n    a([[a1]], {\n        b;\n    });\n}')
        bt("a();\n   [\n   ['sdfsdfsd'],\n        ['sdfsdfsdf']\n   ].toString();",
            "a();\n   [\n   ['sdfsdfsd'],\n        ['sdfsdfsdf']\n   ].toString();")
        bt("a();\na = [\n   ['sdfsdfsd'],\n        ['sdfsdfsdf']\n   ].toString();",
            "a();\na = [\n   ['sdfsdfsd'],\n        ['sdfsdfsdf']\n   ].toString();")
        bt("function() {\n    Foo([\n        ['sdfsdfsd'],\n        ['sdfsdfsdf']\n    ]);\n}",
            "function() {\n    Foo([\n        ['sdfsdfsd'],\n        ['sdfsdfsdf']\n    ]);\n}")
        bt('function foo() {\n    return [\n        "one",\n        "two"\n    ];\n}')
        # 4 spaces per indent input, processed with 4-spaces per indent
        bt( "function foo() {\n" +
            "    return [\n" +
            "        {\n" +
            "            one: 'x',\n" +
            "            two: [\n" +
            "                {\n" +
            "                    id: 'a',\n" +
            "                    name: 'apple'\n" +
            "                }, {\n" +
            "                    id: 'b',\n" +
            "                    name: 'banana'\n" +
            "                }\n" +
            "            ]\n" +
            "        }\n" +
            "    ];\n" +
            "}")
        # 3 spaces per indent input, processed with 4-spaces per indent
        # Should be unchanged, but is not - #445
#         bt( "function foo() {\n" +
#             "   return [\n" +
#             "      {\n" +
#             "         one: 'x',\n" +
#             "         two: [\n" +
#             "            {\n" +
#             "               id: 'a',\n" +
#             "               name: 'apple'\n" +
#             "            }, {\n" +
#             "               id: 'b',\n" +
#             "               name: 'banana'\n" +
#             "            }\n" +
#             "         ]\n" +
#             "      }\n" +
#             "   ];\n" +
#             "}")

        self.options.keep_array_indentation = False;

        bt('a = //comment\n    /regex/;')

        test_fragment('/*\n * X\n */')
        test_fragment('/*\r\n * X\r\n */', '/*\n * X\n */')

        bt('if (a)\n{\nb;\n}\nelse\n{\nc;\n}', 'if (a) {\n    b;\n} else {\n    c;\n}')

        bt('var a = new function();')
        test_fragment('new function')

        # START tests for brace positioning

        # If this is ever supported, update tests for each brace style.
        # test_fragment('return\n{', 'return\n{') # can't support this?, but that's an improbable and extreme case anyway.

        self.options.brace_style = 'expand';

        bt('//case 1\nif (a == 1)\n{}\n//case 2\nelse if (a == 2)\n{}')
        bt('if(1){2}else{3}', "if (1)\n{\n    2\n}\nelse\n{\n    3\n}")
        bt('try{a();}catch(b){c();}catch(d){}finally{e();}',
            "try\n{\n    a();\n}\ncatch (b)\n{\n    c();\n}\ncatch (d)\n{}\nfinally\n{\n    e();\n}")
        bt('if(a){b();}else if(c) foo();',
            "if (a)\n{\n    b();\n}\nelse if (c) foo();")
        bt("if (a) {\n// comment\n}else{\n// comment\n}",
            "if (a)\n{\n    // comment\n}\nelse\n{\n    // comment\n}") # if/else statement with empty body
        bt('if (x) {y} else { if (x) {y}}',
            'if (x)\n{\n    y\n}\nelse\n{\n    if (x)\n    {\n        y\n    }\n}')
        bt('if (a)\n{\nb;\n}\nelse\n{\nc;\n}',
            'if (a)\n{\n    b;\n}\nelse\n{\n    c;\n}')
        test_fragment('    /*\n* xx\n*/\n// xx\nif (foo) {\n    bar();\n}',
                      '    /*\n     * xx\n     */\n    // xx\n    if (foo)\n    {\n        bar();\n    }')
        bt('if (foo)\n{}\nelse /regex/.test();')
        test_fragment('if (foo) {', 'if (foo)\n{')
        test_fragment('foo {', 'foo\n{')
        test_fragment('return {', 'return {') # return needs the brace.
        test_fragment('return /* inline */ {', 'return /* inline */ {')
        test_fragment('return;\n{', 'return;\n{')
        bt("throw {}")
        bt("throw {\n    foo;\n}")
        bt('var foo = {}')
        bt('function x() {\n    foo();\n}zzz', 'function x()\n{\n    foo();\n}\nzzz')
        test_fragment('a: do {} while (); xxx', 'a: do {} while ();\nxxx')
        bt('{a: do {} while (); xxx}', '{\n    a: do {} while ();xxx\n}')
        bt('var a = new function() {};')
        bt('var a = new function a() {};', 'var a = new function a()\n{};')
        bt('var a = new function()\n{};', 'var a = new function() {};')
        bt('var a = new function a()\n{};')
        bt('var a = new function a()\n    {},\n    b = new function b()\n    {};')
        bt("foo({\n    'a': 1\n},\n10);",
            "foo(\n    {\n        'a': 1\n    },\n    10);")
        bt('(["foo","bar"]).each(function(i) {return i;});',
            '(["foo", "bar"]).each(function(i)\n{\n    return i;\n});')
        bt('(function(i) {return i;})();',
            '(function(i)\n{\n    return i;\n})();')
        bt( "test( /*Argument 1*/ {\n" +
            "    'Value1': '1'\n" +
            "}, /*Argument 2\n" +
            " */ {\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test( /*Argument 1*/\n" +
            "    {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        bt( "test(\n" +
            "/*Argument 1*/ {\n" +
            "    'Value1': '1'\n" +
            "},\n" +
            "/*Argument 2\n" +
            " */ {\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test(\n" +
            "    /*Argument 1*/\n" +
            "    {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        bt( "test( /*Argument 1*/\n" +
            "{\n" +
            "    'Value1': '1'\n" +
            "}, /*Argument 2\n" +
            " */\n" +
            "{\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test( /*Argument 1*/\n" +
            "    {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")

        self.options.brace_style = 'collapse';

        bt('//case 1\nif (a == 1) {}\n//case 2\nelse if (a == 2) {}')
        bt('if(1){2}else{3}', "if (1) {\n    2\n} else {\n    3\n}")
        bt('try{a();}catch(b){c();}catch(d){}finally{e();}',
             "try {\n    a();\n} catch (b) {\n    c();\n} catch (d) {} finally {\n    e();\n}")
        bt('if(a){b();}else if(c) foo();',
            "if (a) {\n    b();\n} else if (c) foo();")
        bt("if (a) {\n// comment\n}else{\n// comment\n}",
            "if (a) {\n    // comment\n} else {\n    // comment\n}") # if/else statement with empty body
        bt('if (x) {y} else { if (x) {y}}',
            'if (x) {\n    y\n} else {\n    if (x) {\n        y\n    }\n}')
        bt('if (a)\n{\nb;\n}\nelse\n{\nc;\n}',
            'if (a) {\n    b;\n} else {\n    c;\n}')
        test_fragment('    /*\n* xx\n*/\n// xx\nif (foo) {\n    bar();\n}',
                      '    /*\n     * xx\n     */\n    // xx\n    if (foo) {\n        bar();\n    }')
        bt('if (foo) {} else /regex/.test();')
        test_fragment('if (foo) {', 'if (foo) {')
        test_fragment('foo {', 'foo {')
        test_fragment('return {', 'return {') # return needs the brace.
        test_fragment('return /* inline */ {', 'return /* inline */ {')
        test_fragment('return;\n{', 'return; {')
        bt("throw {}")
        bt("throw {\n    foo;\n}")
        bt('var foo = {}')
        bt('function x() {\n    foo();\n}zzz', 'function x() {\n    foo();\n}\nzzz')
        test_fragment('a: do {} while (); xxx', 'a: do {} while ();\nxxx')
        bt('{a: do {} while (); xxx}', '{\n    a: do {} while ();xxx\n}')
        bt('var a = new function() {};')
        bt('var a = new function a() {};')
        bt('var a = new function()\n{};', 'var a = new function() {};')
        bt('var a = new function a()\n{};', 'var a = new function a() {};')
        bt('var a = new function a()\n    {},\n    b = new function b()\n    {};', 'var a = new function a() {},\n    b = new function b() {};')
        bt("foo({\n    'a': 1\n},\n10);",
            "foo({\n        'a': 1\n    },\n    10);")
        bt('(["foo","bar"]).each(function(i) {return i;});',
            '(["foo", "bar"]).each(function(i) {\n    return i;\n});')
        bt('(function(i) {return i;})();',
            '(function(i) {\n    return i;\n})();')
        bt( "test( /*Argument 1*/ {\n" +
            "    'Value1': '1'\n" +
            "}, /*Argument 2\n" +
            " */ {\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test( /*Argument 1*/ {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        bt( "test(\n" +
            "/*Argument 1*/ {\n" +
            "    'Value1': '1'\n" +
            "},\n" +
            "/*Argument 2\n" +
            " */ {\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test(\n" +
            "    /*Argument 1*/\n" +
            "    {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        bt( "test( /*Argument 1*/\n" +
            "{\n" +
            "    'Value1': '1'\n" +
            "}, /*Argument 2\n" +
            " */\n" +
            "{\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test( /*Argument 1*/ {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")

        self.options.brace_style = "end-expand";

        bt('//case 1\nif (a == 1) {}\n//case 2\nelse if (a == 2) {}')
        bt('if(1){2}else{3}', "if (1) {\n    2\n}\nelse {\n    3\n}")
        bt('try{a();}catch(b){c();}catch(d){}finally{e();}',
            "try {\n    a();\n}\ncatch (b) {\n    c();\n}\ncatch (d) {}\nfinally {\n    e();\n}")
        bt('if(a){b();}else if(c) foo();',
            "if (a) {\n    b();\n}\nelse if (c) foo();")
        bt("if (a) {\n// comment\n}else{\n// comment\n}",
            "if (a) {\n    // comment\n}\nelse {\n    // comment\n}") # if/else statement with empty body
        bt('if (x) {y} else { if (x) {y}}',
            'if (x) {\n    y\n}\nelse {\n    if (x) {\n        y\n    }\n}')
        bt('if (a)\n{\nb;\n}\nelse\n{\nc;\n}',
            'if (a) {\n    b;\n}\nelse {\n    c;\n}')
        test_fragment('    /*\n* xx\n*/\n// xx\nif (foo) {\n    bar();\n}',
                      '    /*\n     * xx\n     */\n    // xx\n    if (foo) {\n        bar();\n    }')
        bt('if (foo) {}\nelse /regex/.test();')
        test_fragment('if (foo) {', 'if (foo) {')
        test_fragment('foo {', 'foo {')
        test_fragment('return {', 'return {') # return needs the brace.
        test_fragment('return /* inline */ {', 'return /* inline */ {')
        test_fragment('return;\n{', 'return; {')
        bt("throw {}")
        bt("throw {\n    foo;\n}")
        bt('var foo = {}')
        bt('function x() {\n    foo();\n}zzz', 'function x() {\n    foo();\n}\nzzz')
        test_fragment('a: do {} while (); xxx', 'a: do {} while ();\nxxx')
        bt('{a: do {} while (); xxx}', '{\n    a: do {} while ();xxx\n}')
        bt('var a = new function() {};')
        bt('var a = new function a() {};')
        bt('var a = new function()\n{};', 'var a = new function() {};')
        bt('var a = new function a()\n{};', 'var a = new function a() {};')
        bt('var a = new function a()\n    {},\n    b = new function b()\n    {};', 'var a = new function a() {},\n    b = new function b() {};')
        bt("foo({\n    'a': 1\n},\n10);",
            "foo({\n        'a': 1\n    },\n    10);")
        bt('(["foo","bar"]).each(function(i) {return i;});',
            '(["foo", "bar"]).each(function(i) {\n    return i;\n});')
        bt('(function(i) {return i;})();',
            '(function(i) {\n    return i;\n})();')
        bt( "test( /*Argument 1*/ {\n" +
            "    'Value1': '1'\n" +
            "}, /*Argument 2\n" +
            " */ {\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test( /*Argument 1*/ {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        bt( "test(\n" +
            "/*Argument 1*/ {\n" +
            "    'Value1': '1'\n" +
            "},\n" +
            "/*Argument 2\n" +
            " */ {\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test(\n" +
            "    /*Argument 1*/\n" +
            "    {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        bt( "test( /*Argument 1*/\n" +
            "{\n" +
            "    'Value1': '1'\n" +
            "}, /*Argument 2\n" +
            " */\n" +
            "{\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test( /*Argument 1*/ {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")

        self.options.brace_style = 'none';

        bt('//case 1\nif (a == 1)\n{}\n//case 2\nelse if (a == 2)\n{}')
        bt('if(1){2}else{3}', "if (1) {\n    2\n} else {\n    3\n}")
        bt('try{a();}catch(b){c();}catch(d){}finally{e();}',
            "try {\n    a();\n} catch (b) {\n    c();\n} catch (d) {} finally {\n    e();\n}")
        bt('if(a){b();}else if(c) foo();',
            "if (a) {\n    b();\n} else if (c) foo();")
        bt("if (a) {\n// comment\n}else{\n// comment\n}",
            "if (a) {\n    // comment\n} else {\n    // comment\n}") # if/else statement with empty body
        bt('if (x) {y} else { if (x) {y}}',
            'if (x) {\n    y\n} else {\n    if (x) {\n        y\n    }\n}')
        bt('if (a)\n{\nb;\n}\nelse\n{\nc;\n}',
            'if (a)\n{\n    b;\n}\nelse\n{\n    c;\n}')
        test_fragment('    /*\n* xx\n*/\n// xx\nif (foo) {\n    bar();\n}',
                      '    /*\n     * xx\n     */\n    // xx\n    if (foo) {\n        bar();\n    }')
        bt('if (foo)\n{}\nelse /regex/.test();')
        test_fragment('if (foo) {')
        test_fragment('foo {')
        test_fragment('return {') # return needs the brace.
        test_fragment('return /* inline */ {')
        test_fragment('return;\n{')
        bt("throw {}")
        bt("throw {\n    foo;\n}")
        bt('var foo = {}')
        bt('function x() {\n    foo();\n}zzz', 'function x() {\n    foo();\n}\nzzz')
        test_fragment('a: do {} while (); xxx', 'a: do {} while ();\nxxx')
        bt('{a: do {} while (); xxx}', '{\n    a: do {} while ();xxx\n}')
        bt('var a = new function() {};')
        bt('var a = new function a() {};')
        bt('var a = new function()\n{};', 'var a = new function() {};')
        bt('var a = new function a()\n{};')
        bt('var a = new function a()\n    {},\n    b = new function b()\n    {};')
        bt("foo({\n    'a': 1\n},\n10);",
            "foo({\n        'a': 1\n    },\n    10);")
        bt('(["foo","bar"]).each(function(i) {return i;});',
            '(["foo", "bar"]).each(function(i) {\n    return i;\n});')
        bt('(function(i) {return i;})();',
            '(function(i) {\n    return i;\n})();')
        bt( "test( /*Argument 1*/ {\n" +
            "    'Value1': '1'\n" +
            "}, /*Argument 2\n" +
            " */ {\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test( /*Argument 1*/ {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        bt( "test(\n" +
            "/*Argument 1*/ {\n" +
            "    'Value1': '1'\n" +
            "},\n" +
            "/*Argument 2\n" +
            " */ {\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test(\n" +
            "    /*Argument 1*/\n" +
            "    {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        bt( "test( /*Argument 1*/\n" +
            "{\n" +
            "    'Value1': '1'\n" +
            "}, /*Argument 2\n" +
            " */\n" +
            "{\n" +
            "    'Value2': '2'\n" +
            "});",
            # expected
            "test( /*Argument 1*/\n" +
            "    {\n" +
            "        'Value1': '1'\n" +
            "    },\n" +
            "    /*Argument 2\n" +
            "     */\n" +
            "    {\n" +
            "        'Value2': '2'\n" +
            "    });")
        # END tests for brace position

        self.options.brace_style = 'collapse';

        bt('a = <?= external() ?> ;') # not the most perfect thing in the world, but you're the weirdo beaufifying php mix-ins with javascript beautifier
        bt('a = <%= external() %> ;')

        test_fragment('roo = {\n    /*\n    ****\n      FOO\n    ****\n    */\n    BAR: 0\n};')
        test_fragment("if (zz) {\n    // ....\n}\n(function")

        self.options.preserve_newlines = True;
        bt('var a = 42; // foo\n\nvar b;')
        bt('var a = 42; // foo\n\n\nvar b;')
        bt("var a = 'foo' +\n    'bar';")
        bt("var a = \"foo\" +\n    \"bar\";")

        bt('"foo""bar""baz"', '"foo"\n"bar"\n"baz"')
        bt("'foo''bar''baz'", "'foo'\n'bar'\n'baz'")
        bt("{\n    get foo() {}\n}")
        bt("{\n    var a = get\n    foo();\n}")
        bt("{\n    set foo() {}\n}")
        bt("{\n    var a = set\n    foo();\n}")
        bt("var x = {\n    get function()\n}")
        bt("var x = {\n    set function()\n}")

        # According to my current research get/set have no special meaning outside of an object literal
        bt("var x = set\n\na() {}", "var x = set\n\na() {}")
        bt("var x = set\n\nfunction() {}", "var x = set\n\nfunction() {}")

        bt('<!-- foo\nbar();\n-->')
        bt('<!-- dont crash') # -->
        bt('for () /abc/.test()')
        bt('if (k) /aaa/m.test(v) && l();')
        bt('switch (true) {\n    case /swf/i.test(foo):\n        bar();\n}')
        bt('createdAt = {\n    type: Date,\n    default: Date.now\n}')
        bt('switch (createdAt) {\n    case a:\n        Date,\n    default:\n        Date.now\n}')

        bt('return function();')
        bt('var a = function();')
        bt('var a = 5 + function();')

        bt('{\n    foo // something\n    ,\n    bar // something\n    baz\n}')
        bt('function a(a) {} function b(b) {} function c(c) {}', 'function a(a) {}\n\nfunction b(b) {}\n\nfunction c(c) {}')


        bt('3.*7;', '3. * 7;')
        bt('a = 1.e-64 * 0.5e+4 / 6e-23;')
        bt('import foo.*;', 'import foo.*;') # actionscript's import
        test_fragment('function f(a: a, b: b)') # actionscript
        bt('foo(a, function() {})')
        bt('foo(a, /regex/)')

        bt('/* foo */\n"x"')

        self.options.break_chained_methods = False
        self.options.preserve_newlines = False
        bt('foo\n.bar()\n.baz().cucumber(fat)', 'foo.bar().baz().cucumber(fat)')
        bt('foo\n.bar()\n.baz().cucumber(fat); foo.bar().baz().cucumber(fat)', 'foo.bar().baz().cucumber(fat);\nfoo.bar().baz().cucumber(fat)')
        bt('foo\n.bar()\n.baz().cucumber(fat)\n foo.bar().baz().cucumber(fat)', 'foo.bar().baz().cucumber(fat)\nfoo.bar().baz().cucumber(fat)')
        bt('this\n.something = foo.bar()\n.baz().cucumber(fat)', 'this.something = foo.bar().baz().cucumber(fat)')
        bt('this.something.xxx = foo.moo.bar()')
        bt('this\n.something\n.xxx = foo.moo\n.bar()', 'this.something.xxx = foo.moo.bar()')

        self.options.break_chained_methods = False
        self.options.preserve_newlines = True
        bt('foo\n.bar()\n.baz().cucumber(fat)', 'foo\n    .bar()\n    .baz().cucumber(fat)')
        bt('foo\n.bar()\n.baz().cucumber(fat); foo.bar().baz().cucumber(fat)', 'foo\n    .bar()\n    .baz().cucumber(fat);\nfoo.bar().baz().cucumber(fat)')
        bt('foo\n.bar()\n.baz().cucumber(fat)\n foo.bar().baz().cucumber(fat)', 'foo\n    .bar()\n    .baz().cucumber(fat)\nfoo.bar().baz().cucumber(fat)')
        bt('this\n.something = foo.bar()\n.baz().cucumber(fat)', 'this\n    .something = foo.bar()\n    .baz().cucumber(fat)')
        bt('this.something.xxx = foo.moo.bar()')
        bt('this\n.something\n.xxx = foo.moo\n.bar()', 'this\n    .something\n    .xxx = foo.moo\n    .bar()')

        self.options.break_chained_methods = True
        self.options.preserve_newlines = False
        bt('foo\n.bar()\n.baz().cucumber(fat)', 'foo.bar()\n    .baz()\n    .cucumber(fat)')
        bt('foo\n.bar()\n.baz().cucumber(fat); foo.bar().baz().cucumber(fat)', 'foo.bar()\n    .baz()\n    .cucumber(fat);\nfoo.bar()\n    .baz()\n    .cucumber(fat)')
        bt('foo\n.bar()\n.baz().cucumber(fat)\n foo.bar().baz().cucumber(fat)', 'foo.bar()\n    .baz()\n    .cucumber(fat)\nfoo.bar()\n    .baz()\n    .cucumber(fat)')
        bt('this\n.something = foo.bar()\n.baz().cucumber(fat)', 'this.something = foo.bar()\n    .baz()\n    .cucumber(fat)')
        bt('this.something.xxx = foo.moo.bar()')
        bt('this\n.something\n.xxx = foo.moo\n.bar()', 'this.something.xxx = foo.moo.bar()')

        self.options.break_chained_methods = True
        self.options.preserve_newlines = True
        bt('foo\n.bar()\n.baz().cucumber(fat)', 'foo\n    .bar()\n    .baz()\n    .cucumber(fat)')
        bt('foo\n.bar()\n.baz().cucumber(fat); foo.bar().baz().cucumber(fat)', 'foo\n    .bar()\n    .baz()\n    .cucumber(fat);\nfoo.bar()\n    .baz()\n    .cucumber(fat)')
        bt('foo\n.bar()\n.baz().cucumber(fat)\n foo.bar().baz().cucumber(fat)', 'foo\n    .bar()\n    .baz()\n    .cucumber(fat)\nfoo.bar()\n    .baz()\n    .cucumber(fat)')
        bt('this\n.something = foo.bar()\n.baz().cucumber(fat)', 'this\n    .something = foo.bar()\n    .baz()\n    .cucumber(fat)')
        bt('this.something.xxx = foo.moo.bar()')
        bt('this\n.something\n.xxx = foo.moo\n.bar()', 'this\n    .something\n    .xxx = foo.moo\n    .bar()')
        self.options.break_chained_methods = False
        self.options.preserve_newlines = False


        # Line wrap test intputs
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        wrap_input_1=('foo.bar().baz().cucumber((fat && "sassy") || (leans\n&& mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap\n.but_this_can\n' +
                      'if (wraps_can_occur && inside_an_if_block) that_is_\n.okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token + 12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap + but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap + !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" + "but_this_can"\n' +
                      '}')

        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        wrap_input_2=('{\n' +
                      '    foo.bar().baz().cucumber((fat && "sassy") || (leans\n&& mean));\n' +
                      '    Test_very_long_variable_name_this_should_never_wrap\n.but_this_can\n' +
                      '    if (wraps_can_occur && inside_an_if_block) that_is_\n.okay();\n' +
                      '    object_literal = {\n' +
                      '        propertx: first_token + 12345678.99999E-6,\n' +
                      '        property: first_token_should_never_wrap + but_this_can,\n' +
                      '        propertz: first_token_should_never_wrap + !but_this_can,\n' +
                      '        proper: "first_token_should_never_wrap" + "but_this_can"\n' +
                      '    }' +
                      '}')

        self.options.preserve_newlines = False
        self.options.wrap_line_length = 0
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_1,
                      # expected #
                      'foo.bar().baz().cucumber((fat && "sassy") || (leans && mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap.but_this_can\n' +
                      'if (wraps_can_occur && inside_an_if_block) that_is_.okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token + 12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap + but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap + !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" + "but_this_can"\n' +
                      '}')

        self.options.wrap_line_length = 70
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_1,
                      # expected #
                      'foo.bar().baz().cucumber((fat && "sassy") || (leans && mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap.but_this_can\n' +
                      'if (wraps_can_occur && inside_an_if_block) that_is_.okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token + 12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap + but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap + !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" + "but_this_can"\n' +
                      '}')

        self.options.wrap_line_length = 40
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_1,
                      # expected #
                      'foo.bar().baz().cucumber((fat &&\n' +
                      '    "sassy") || (leans && mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap\n' +
                      '    .but_this_can\n' +
                      'if (wraps_can_occur &&\n' +
                      '    inside_an_if_block) that_is_.okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token +\n' +
                      '        12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap +\n' +
                      '        but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap +\n' +
                      '        !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" +\n' +
                      '        "but_this_can"\n' +
                      '}')

        self.options.wrap_line_length = 41
        # NOTE: wrap is only best effort - line continues until next wrap point is found.
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_1,
                      # expected #
                      'foo.bar().baz().cucumber((fat && "sassy") ||\n' +
                      '    (leans && mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap\n' +
                      '    .but_this_can\n' +
                      'if (wraps_can_occur &&\n' +
                      '    inside_an_if_block) that_is_.okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token +\n' +
                      '        12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap +\n' +
                      '        but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap +\n' +
                      '        !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" +\n' +
                      '        "but_this_can"\n' +
                      '}')


        self.options.wrap_line_length = 45
        # NOTE: wrap is only best effort - line continues until next wrap point is found.
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_2,
                      # expected #
                      '{\n' +
                      '    foo.bar().baz().cucumber((fat && "sassy") ||\n' +
                      '        (leans && mean));\n' +
                      '    Test_very_long_variable_name_this_should_never_wrap\n' +
                      '        .but_this_can\n' +
                      '    if (wraps_can_occur &&\n' +
                      '        inside_an_if_block) that_is_.okay();\n' +
                      '    object_literal = {\n' +
                      '        propertx: first_token +\n' +
                      '            12345678.99999E-6,\n' +
                      '        property: first_token_should_never_wrap +\n' +
                      '            but_this_can,\n' +
                      '        propertz: first_token_should_never_wrap +\n' +
                      '            !but_this_can,\n' +
                      '        proper: "first_token_should_never_wrap" +\n' +
                      '            "but_this_can"\n' +
                      '    }\n'+
                      '}')

        self.options.preserve_newlines = True
        self.options.wrap_line_length = 0
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_1,
                      # expected #
                      'foo.bar().baz().cucumber((fat && "sassy") || (leans && mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap\n' +
                      '    .but_this_can\n' +
                      'if (wraps_can_occur && inside_an_if_block) that_is_\n' +
                      '    .okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token + 12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap + but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap + !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" + "but_this_can"\n' +
                      '}')


        self.options.wrap_line_length = 70
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_1,
                      # expected #
                      'foo.bar().baz().cucumber((fat && "sassy") || (leans && mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap\n' +
                      '    .but_this_can\n' +
                      'if (wraps_can_occur && inside_an_if_block) that_is_\n' +
                      '    .okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token + 12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap + but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap + !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" + "but_this_can"\n' +
                      '}')


        self.options.wrap_line_length = 40
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_1,
                      # expected #
                      'foo.bar().baz().cucumber((fat &&\n' +
                      '    "sassy") || (leans && mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap\n' +
                      '    .but_this_can\n' +
                      'if (wraps_can_occur &&\n' +
                      '    inside_an_if_block) that_is_\n' +
                      '    .okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token +\n' +
                      '        12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap +\n' +
                      '        but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap +\n' +
                      '        !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" +\n' +
                      '        "but_this_can"\n' +
                      '}')

        self.options.wrap_line_length = 41
        # NOTE: wrap is only best effort - line continues until next wrap point is found.
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_1,
                      # expected #
                      'foo.bar().baz().cucumber((fat && "sassy") ||\n' +
                      '    (leans && mean));\n' +
                      'Test_very_long_variable_name_this_should_never_wrap\n' +
                      '    .but_this_can\n' +
                      'if (wraps_can_occur &&\n' +
                      '    inside_an_if_block) that_is_\n' +
                      '    .okay();\n' +
                      'object_literal = {\n' +
                      '    propertx: first_token +\n' +
                      '        12345678.99999E-6,\n' +
                      '    property: first_token_should_never_wrap +\n' +
                      '        but_this_can,\n' +
                      '    propertz: first_token_should_never_wrap +\n' +
                      '        !but_this_can,\n' +
                      '    proper: "first_token_should_never_wrap" +\n' +
                      '        "but_this_can"\n' +
                      '}')

        self.options.wrap_line_length = 45
        # NOTE: wrap is only best effort - line continues until next wrap point is found.
        #..............---------1---------2---------3---------4---------5---------6---------7
        #..............1234567890123456789012345678901234567890123456789012345678901234567890
        test_fragment(wrap_input_2,
                      # expected #
                      '{\n' +
                      '    foo.bar().baz().cucumber((fat && "sassy") ||\n' +
                      '        (leans && mean));\n' +
                      '    Test_very_long_variable_name_this_should_never_wrap\n' +
                      '        .but_this_can\n' +
                      '    if (wraps_can_occur &&\n' +
                      '        inside_an_if_block) that_is_\n' +
                      '        .okay();\n' +
                      '    object_literal = {\n' +
                      '        propertx: first_token +\n' +
                      '            12345678.99999E-6,\n' +
                      '        property: first_token_should_never_wrap +\n' +
                      '            but_this_can,\n' +
                      '        propertz: first_token_should_never_wrap +\n' +
                      '            !but_this_can,\n' +
                      '        proper: "first_token_should_never_wrap" +\n' +
                      '            "but_this_can"\n' +
                      '    }\n'+
                      '}')

        self.options.wrap_line_length = 0

        self.options.preserve_newlines = False
        bt('if (foo) // comment\n    bar();')
        bt('if (foo) // comment\n    (bar());')
        bt('if (foo) // comment\n    (bar());')
        bt('if (foo) // comment\n    /asdf/;')
        bt('this.oa = new OAuth(\n' +
           '    _requestToken,\n' +
           '    _accessToken,\n' +
           '    consumer_key\n' +
           ');',
           'this.oa = new OAuth(_requestToken, _accessToken, consumer_key);')
        bt('foo = {\n    x: y, // #44\n    w: z // #44\n}')
        bt('switch (x) {\n    case "a":\n        // comment on newline\n        break;\n    case "b": // comment on same line\n        break;\n}')
        bt('this.type =\n    this.options =\n    // comment\n    this.enabled null;',
           'this.type = this.options =\n    // comment\n    this.enabled null;')
        bt('someObj\n    .someFunc1()\n    // This comment should not break the indent\n    .someFunc2();',
           'someObj.someFunc1()\n    // This comment should not break the indent\n    .someFunc2();')

        bt('if (true ||\n!true) return;', 'if (true || !true) return;')

        # these aren't ready yet.
        #bt('if (foo) // comment\n    bar() /*i*/ + baz() /*j\n*/ + asdf();')
        bt('if\n(foo)\nif\n(bar)\nif\n(baz)\nwhee();\na();',
            'if (foo)\n    if (bar)\n        if (baz) whee();\na();')
        bt('if\n(foo)\nif\n(bar)\nif\n(baz)\nwhee();\nelse\na();',
            'if (foo)\n    if (bar)\n        if (baz) whee();\n        else a();')
        bt('if (foo)\nbar();\nelse\ncar();',
            'if (foo) bar();\nelse car();')

        bt('if (foo) if (bar) if (baz);\na();',
            'if (foo)\n    if (bar)\n        if (baz);\na();')
        bt('if (foo) if (bar) if (baz) whee();\na();',
            'if (foo)\n    if (bar)\n        if (baz) whee();\na();')
        bt('if (foo) a()\nif (bar) if (baz) whee();\na();',
            'if (foo) a()\nif (bar)\n    if (baz) whee();\na();')
        bt('if (foo);\nif (bar) if (baz) whee();\na();',
            'if (foo);\nif (bar)\n    if (baz) whee();\na();')
        bt('if (options)\n' +
           '    for (var p in options)\n' +
           '        this[p] = options[p];',
           'if (options)\n'+
           '    for (var p in options) this[p] = options[p];')
        bt('if (options) for (var p in options) this[p] = options[p];',
           'if (options)\n    for (var p in options) this[p] = options[p];')

        bt('if (options) do q(); while (b());',
           'if (options)\n    do q(); while (b());')
        bt('if (options) while (b()) q();',
           'if (options)\n    while (b()) q();')
        bt('if (options) do while (b()) q(); while (a());',
           'if (options)\n    do\n        while (b()) q(); while (a());')

        bt('function f(a, b, c,\nd, e) {}',
            'function f(a, b, c, d, e) {}')

        bt('function f(a,b) {if(a) b()}function g(a,b) {if(!a) b()}',
            'function f(a, b) {\n    if (a) b()\n}\n\nfunction g(a, b) {\n    if (!a) b()\n}')
        bt('function f(a,b) {if(a) b()}\n\n\n\nfunction g(a,b) {if(!a) b()}',
            'function f(a, b) {\n    if (a) b()\n}\n\nfunction g(a, b) {\n    if (!a) b()\n}')
        # This is not valid syntax, but still want to behave reasonably and not side-effect
        bt('(if(a) b())(if(a) b())',
            '(\n    if (a) b())(\n    if (a) b())')
        bt('(if(a) b())\n\n\n(if(a) b())',
            '(\n    if (a) b())\n(\n    if (a) b())')

        # space between functions
        bt('/*\n * foo\n */\nfunction foo() {}')
        bt('// a nice function\nfunction foo() {}')
        bt('function foo() {}\nfunction foo() {}',
            'function foo() {}\n\nfunction foo() {}'
        )

        bt('[\n    function() {}\n]')


        bt("if\n(a)\nb();", "if (a) b();")
        bt('var a =\nfoo', 'var a = foo')
        bt('var a = {\n"a":1,\n"b":2}', "var a = {\n    \"a\": 1,\n    \"b\": 2\n}")
        bt("var a = {\n'a':1,\n'b':2}", "var a = {\n    'a': 1,\n    'b': 2\n}")
        bt('var a = /*i*/ "b";')
        bt('var a = /*i*/\n"b";', 'var a = /*i*/ "b";')
        bt('var a = /*i*/\nb;', 'var a = /*i*/ b;')
        bt('{\n\n\n"x"\n}', '{\n    "x"\n}')
        bt('if(a &&\nb\n||\nc\n||d\n&&\ne) e = f', 'if (a && b || c || d && e) e = f')
        bt('if(a &&\n(b\n||\nc\n||d)\n&&\ne) e = f', 'if (a && (b || c || d) && e) e = f')
        test_fragment('\n\n"x"', '"x"')
        bt('a = 1;\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nb = 2;',
            'a = 1;\nb = 2;')


        self.options.preserve_newlines = True
        bt('if (foo) // comment\n    bar();')
        bt('if (foo) // comment\n    (bar());')
        bt('if (foo) // comment\n    (bar());')
        bt('if (foo) // comment\n    /asdf/;')
        bt('this.oa = new OAuth(\n' +
           '    _requestToken,\n' +
           '    _accessToken,\n' +
           '    consumer_key\n' +
           ');')
        bt('foo = {\n    x: y, // #44\n    w: z // #44\n}')
        bt('switch (x) {\n    case "a":\n        // comment on newline\n        break;\n    case "b": // comment on same line\n        break;\n}')
        bt('this.type =\n    this.options =\n    // comment\n    this.enabled null;')
        bt('someObj\n    .someFunc1()\n    // This comment should not break the indent\n    .someFunc2();')

        bt('if (true ||\n!true) return;', 'if (true ||\n    !true) return;')

        # these aren't ready yet.
        # bt('if (foo) // comment\n    bar() /*i*/ + baz() /*j\n*/ + asdf();')
        bt('if\n(foo)\nif\n(bar)\nif\n(baz)\nwhee();\na();',
            'if (foo)\n    if (bar)\n        if (baz)\n            whee();\na();')
        bt('if\n(foo)\nif\n(bar)\nif\n(baz)\nwhee();\nelse\na();',
            'if (foo)\n    if (bar)\n        if (baz)\n            whee();\n        else\n            a();')
        bt('if (foo) bar();\nelse\ncar();',
            'if (foo) bar();\nelse\n    car();')

        bt('if (foo) if (bar) if (baz);\na();',
            'if (foo)\n    if (bar)\n        if (baz);\na();')
        bt('if (foo) if (bar) if (baz) whee();\na();',
            'if (foo)\n    if (bar)\n        if (baz) whee();\na();')
        bt('if (foo) a()\nif (bar) if (baz) whee();\na();',
            'if (foo) a()\nif (bar)\n    if (baz) whee();\na();')
        bt('if (foo);\nif (bar) if (baz) whee();\na();',
            'if (foo);\nif (bar)\n    if (baz) whee();\na();')
        bt('if (options)\n' +
           '    for (var p in options)\n' +
           '        this[p] = options[p];')
        bt('if (options) for (var p in options) this[p] = options[p];',
           'if (options)\n    for (var p in options) this[p] = options[p];')

        bt('if (options) do q(); while (b());',
           'if (options)\n    do q(); while (b());')
        bt('if (options) do; while (b());',
           'if (options)\n    do; while (b());')
        bt('if (options) while (b()) q();',
           'if (options)\n    while (b()) q();')
        bt('if (options) do while (b()) q(); while (a());',
           'if (options)\n    do\n        while (b()) q(); while (a());')

        bt('function f(a, b, c,\nd, e) {}',
            'function f(a, b, c,\n    d, e) {}')

        bt('function f(a,b) {if(a) b()}function g(a,b) {if(!a) b()}',
            'function f(a, b) {\n    if (a) b()\n}\n\nfunction g(a, b) {\n    if (!a) b()\n}')
        bt('function f(a,b) {if(a) b()}\n\n\n\nfunction g(a,b) {if(!a) b()}',
            'function f(a, b) {\n    if (a) b()\n}\n\n\n\nfunction g(a, b) {\n    if (!a) b()\n}')
        # This is not valid syntax, but still want to behave reasonably and not side-effect
        bt('(if(a) b())(if(a) b())',
            '(\n    if (a) b())(\n    if (a) b())')
        bt('(if(a) b())\n\n\n(if(a) b())',
            '(\n    if (a) b())\n\n\n(\n    if (a) b())')


        bt("if\n(a)\nb();", "if (a)\n    b();")
        bt('var a =\nfoo', 'var a =\n    foo')
        bt('var a = {\n"a":1,\n"b":2}', "var a = {\n    \"a\": 1,\n    \"b\": 2\n}")
        bt("var a = {\n'a':1,\n'b':2}", "var a = {\n    'a': 1,\n    'b': 2\n}")
        bt('var a = /*i*/ "b";')
        bt('var a = /*i*/\n"b";', 'var a = /*i*/\n    "b";')
        bt('var a = /*i*/\nb;', 'var a = /*i*/\n    b;')
        bt('{\n\n\n"x"\n}', '{\n\n\n    "x"\n}')
        bt('if(a &&\nb\n||\nc\n||d\n&&\ne) e = f', 'if (a &&\n    b ||\n    c || d &&\n    e) e = f')
        bt('if(a &&\n(b\n||\nc\n||d)\n&&\ne) e = f', 'if (a &&\n    (b ||\n        c || d) &&\n    e) e = f')
        test_fragment('\n\n"x"', '"x"')
        # this beavior differs between js and python, defaults to unlimited in js, 10 in python
        bt('a = 1;\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nb = 2;',
            'a = 1;\n\n\n\n\n\n\n\n\n\nb = 2;')
        self.options.max_preserve_newlines = 8;
        bt('a = 1;\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nb = 2;',
            'a = 1;\n\n\n\n\n\n\n\nb = 2;')

        # Test the option to have spaces within parens
        self.options.space_in_paren = False
        self.options.space_in_empty_paren = False
        bt('if(p) foo(a,b)', 'if (p) foo(a, b)')
        bt('try{while(true){willThrow()}}catch(result)switch(result){case 1:++result }',
           'try {\n    while (true) {\n        willThrow()\n    }\n} catch (result) switch (result) {\n    case 1:\n        ++result\n}')
        bt('((e/((a+(b)*c)-d))^2)*5;', '((e / ((a + (b) * c) - d)) ^ 2) * 5;')
        bt('function f(a,b) {if(a) b()}function g(a,b) {if(!a) b()}',
            'function f(a, b) {\n    if (a) b()\n}\n\nfunction g(a, b) {\n    if (!a) b()\n}')
        bt('a=[];',
            'a = [];')
        bt('a=[b,c,d];',
            'a = [b, c, d];')
        bt('a= f[b];',
            'a = f[b];')

        self.options.space_in_paren = True
        bt('if(p) foo(a,b)', 'if ( p ) foo( a, b )')
        bt('try{while(true){willThrow()}}catch(result)switch(result){case 1:++result }',
           'try {\n    while ( true ) {\n        willThrow()\n    }\n} catch ( result ) switch ( result ) {\n    case 1:\n        ++result\n}')
        bt('((e/((a+(b)*c)-d))^2)*5;', '( ( e / ( ( a + ( b ) * c ) - d ) ) ^ 2 ) * 5;')
        bt('function f(a,b) {if(a) b()}function g(a,b) {if(!a) b()}',
            'function f( a, b ) {\n    if ( a ) b()\n}\n\nfunction g( a, b ) {\n    if ( !a ) b()\n}')
        bt('a=[ ];',
            'a = [];')
        bt('a=[b,c,d];',
            'a = [ b, c, d ];')
        bt('a= f[b];',
            'a = f[ b ];')

        self.options.space_in_empty_paren = True
        bt('if(p) foo(a,b)', 'if ( p ) foo( a, b )')
        bt('try{while(true){willThrow()}}catch(result)switch(result){case 1:++result }',
           'try {\n    while ( true ) {\n        willThrow( )\n    }\n} catch ( result ) switch ( result ) {\n    case 1:\n        ++result\n}')
        bt('((e/((a+(b)*c)-d))^2)*5;', '( ( e / ( ( a + ( b ) * c ) - d ) ) ^ 2 ) * 5;')
        bt('function f(a,b) {if(a) b()}function g(a,b) {if(!a) b()}',
            'function f( a, b ) {\n    if ( a ) b( )\n}\n\nfunction g( a, b ) {\n    if ( !a ) b( )\n}')
        bt('a=[ ];',
            'a = [ ];')
        bt('a=[b,c,d];',
            'a = [ b, c, d ];')
        bt('a= f[b];',
            'a = f[ b ];')

        self.options.space_in_paren = False
        self.options.space_in_empty_paren = False

        # Test template strings
        bt('`This is a ${template} string.`', '`This is a ${template} string.`')
        bt('`This\n  is\n  a\n  ${template}\n  string.`', '`This\n  is\n  a\n  ${template}\n  string.`')


    def decodesto(self, input, expectation=None):
        if expectation == None:
            expectation = input

        self.assertMultiLineEqual(
            jsbeautifier.beautify(input, self.options), expectation)

        # if the expected is different from input, run it again
        # expected output should be unchanged when run twice.
        if not expectation == None:
            self.assertMultiLineEqual(
                jsbeautifier.beautify(expectation, self.options), expectation)

    def wrap(self, text):
        return self.wrapregex.sub('    \\1', text)

    def bt(self, input, expectation=None):
        if expectation == None:
            expectation = input

        self.decodesto(input, expectation)
        if self.options.indent_size == 4 and input:
            wrapped_input = '{\n%s\nfoo=bar;}' % self.wrap(input)
            wrapped_expect = '{\n%s\n    foo = bar;\n}' % self.wrap(expectation)
            self.decodesto(wrapped_input, wrapped_expect)

            # Everywhere we do newlines, they should be replaced with opts.eol
            self.options.eol = '\r\\n';
            wrapped_input = wrapped_input.replace('\n', '\r\n')
            wrapped_expect = wrapped_expect.replace('\n', '\r\n')
            self.decodesto(wrapped_input, wrapped_expect)
            self.options.eol = '\n'


    @classmethod
    def setUpClass(cls):
        options = jsbeautifier.default_options()
        options.indent_size = 4
        options.indent_char = ' '
        options.preserve_newlines = True
        options.jslint_happy = False
        options.keep_array_indentation = False
        options.brace_style = 'collapse'
        options.indent_level = 0
        options.break_chained_methods = False
        options.eol = '\n'


        cls.options = options
        cls.wrapregex = re.compile('^(.+)$', re.MULTILINE)


if __name__ == '__main__':
    unittest.main()
